DNA Testing Strategy for Adoptees and People with Uncertain Parentage

Adoptees aren’t the only people who don’t know who their parents are.  There are many people who don’t know the identity of one of their two parents…and it’s not always the father.  Just this week, I had someone who needed to determine which of two sisters was her mother.  Still, the “who’s your Daddy” crowd, aside from adoptees, is by far the largest.

The DNA testing strategy for both of these groups of people is the same, with slight modifications for male or female. Let’s take a look.

Males have three kinds of DNA that can be tested and then compared to other participants’ results.  The tests for these three kinds of DNA provide different kinds of information which is useful in different ways.  For example, Y DNA testing may give you a surname, if you’re a male, but the other two types of tests can’t do that, at least not directly.

Females only have two of those kinds of DNA that can be tested.  Females don’t have a Y chromosome, which is what makes males male genetically.

adopted pedigree

If you look at this pedigree chart, you can see that the Y chromosome, in blue, is passed from the father to the son, but not to daughters.  It’s passed intact, meaning there is no admixture from the mother, who doesn’t have a Y chromosome, because she is female.  The Y chromosome is what makes males male.

The second type of DNA testing is mitochondrial, represented by the red circles.  It is passed from the mother to all of her children, of both genders, intact – meaning her mitochondrial DNA is not admixed with the mtDNA of the father.  Woman pass their mtDNA on to their children, men don’t.

Therefore when you test either the Y or the mtDNA, you get a direct line view right down that branch of the family tree – and only that direct line on that branch of the tree.  Since there is no admixture from spouses in any generation, you will match someone exactly or closely (allowing for an occasional mutation or two) from generations ago.  Now, that’s the good and the bad news – and where genealogical sleuthing comes into play.

On the chart above, the third kind of DNA testing, autosomal DNA, tests your DNA from all of your ancestors, meaning all of those boxes with no color, not just the blue and red ones, but it does include the blue and red ancestors too.  However, autosomal DNA (unlike Y and mtDNA) is diluted by half in each generation, because you get half of your autosomal DNA from each parent, so only half of the parents DNA gets passed on to each child.

Let’s look at how these three kinds of DNA can help you identify your family members.

Y DNA

Since the Y DNA typically follows the paternal surname, it can be extremely helpful for males who are searching for their genetic surname.  For example, if your biological father’s surname is Estes, assuming he is not himself adopted or the product of a nonpaternal event (NPE) which I like to refer to as undocumented adoptions, his DNA will match that of the Estes ancestral line.  So, if you’re a male, an extremely important test will be the Y DNA test from Family Tree DNA, the only testing company to offer this test.

Let’s say that you have no idea who your bio-father is, but when your results come back you see a preponderance of Estes men whom you match, as well as your highest and closest matches being Estes.

By highest, I mean on the highest panel you tested – in this case 111 markers.  And by closest, I mean with the smallest genetic distance, or number of mutations difference.  On the chart below, this person matches only Estes males at 111 markers, and one with only 1 mutation difference (Genetic Distance.)  Please noted that I’ve redacted first names.

Hint for Mr. Hilbert, below – there is a really good chance that you’re genetically Estes on the direct paternal side – that blue line.

Estes match ex

The next step will be to see which Estes line you match the most closely and begin to work from there genealogically.  In this case, that would be the first match with only one difference.  Does your match have a tree online?  In this case, they do – as noted by the pedigree chart icon.  Contact this person.  Where did their ancestors live?  Where did their descendants move to?  Where were you born?  How do the dots connect?

The good news is, looking at their DNA results, you can see that your closest match has also tested autosomally, indicated by the FF icon, so you can check to see if you also match them on the Family Finder test utilizing the Advanced Matching Tool.  That will help determine how close or distantly related you are to the tester themselves.  This gives you an idea how far back in their tree you would have to look for a common ancestor.

Another benefit is that your haplogroup identifies your deep ancestral clan, for lack of a better word.  In other words, you’ll know if your paternal ancestor was European, Asian, Native American or African – and that can be a hugely important piece of information.  Contrary to what seems intuitive, the ethnicity of your paternal (or any) ancestor is not always what seems evident by looking in the mirror today.

Y DNA – What to order:  From Family Tree DNA, the 111 marker Y DNA test.  This is for males only.  Family Tree DNA is the only testing company to provide this testing.  Can you order fewer markers, like 37 or 67?  Yes, but it won’t provide you with as much information or resolution as ordering 111 markers.  You can upgrade later, but you’ll curse yourself for that second wait.

FTDNA Y

Mitochondrial DNA

Males and females both can test for mitochondrial DNA.  Matches point to a common ancestor directly up the matrilineal side of your family – your mother, her mother, her mother – those red circles on the chart.  These matches are more difficult to work with genealogically, because the surnames change in every generation.  Occasionally, you’ll see a common “most distant ancestor” between mitochondrial DNA matches.

Your mitochondrial DNA is compared at three levels, but the most accurate and detailed is the full sequence level which tests all 16,569 locations on your mitochondria.  The series of mutations that you have forms a genetic signature, which is then compared to others.  The people you match the most closely at the full sequence level are the people with whom you are most likely to be genealogically related to a relevant timeframe.

You also receive your haplogroup designation with mitochondrial DNA testing which will place you within an ethnic group, and may also provide more assistance in terms of where your ancestors may have come from.  For example, if your haplogroup is European and you match only people from Norway….that’s a really big hint.

Using the Advanced Matching Tool, you can also compare your results to mitochondrial matches who have taken the autosomal Family Finder test to see if you happen to match on both tests.  Again, that’s not a guarantee you’re a close relative on the mitochondrial side, but it’s a darned good hint and a place to begin your research.

Mitochondrial DNA – What to Order:  From Family Tree DNA, the mitochondrial full sequence test.  This is for males and females both.  Family Tree DNA is the only company that provides this testing.

FTDNA mtDNA

Autosomal DNA

Y and mitochondrial DNA tests one line, and only one line – and shoots like a laser beam right down that line, telling you about the recent and deep history of that particular lineage.  In other words, those tests are deep and not wide.  They can tell you nothing about any of your other ancestors – the ones with no color on the pedigree chart diagram – because you don’t inherit either Y or mtDNA from those ancestors.

Autosomal DNA, on the other hand tends to be wide but not deep.  By this I mean that autosomal DNA shows you matches to ancestors on all of your lines – but only detects relationships back a few generations.  Since each child in each generation received half of their DNA from each parent – in essence, the DNA of each ancestor is cut in half (roughly) in each generation.  Therefore, you carry 50% of the DNA of your parents, approximately 25% of each grandparent, 12.5% of the DNA of each great-grandparent, and so forth.  By the time you’re back to the 4th great-grandparents, you carry only about 1% of the DNA or each of your 64 direct ancestors in that generation.

What this means is that the DNA testing can locate common segments between you and your genetic cousins that are the same, and if you share the same ancestors,  you can prove that this DNA in fact comes from a specific ancestor.  The more closely you are related, the more DNA you will share.

Another benefit that autosomal testing provides is an ethnicity prediction.  Are these predictions 100% accurate?  Absolutely not!  Are they generally good in terms of identifying the four major ethnic groups; African, European, Asian and Native American?  Yes, so long at the DNA amounts you carry of those groups aren’t tiny.  So you’ll learn your major ethnicity groups.  You never know, there may be a surprise waiting for you.

FTDNA myOrigins

The three vendors who provide autosomal DNA testing and matching all provide ethnicity estimates as well, and they aren’t going to agree 100%.  That’s the good news and often makes things even more interesting.  The screen shot below is the same person at Ancestry as the person above at Family Tree DNA.

Ancestry ethnicity

If you’re very lucky, you’ll test and find an immediate close match – maybe even a parent, sibling or half-sibling.  It does happen, but don’t count on it.  I don’t want you to be disappointed when it doesn’t happen.  Just remember, after you test, your DNA is fishing for you 24X7, every single hour of every single day.

If you’re lucky, you may find a close relative, like an uncle or first cousin.  You share a common grandparent with a first cousin, and that’s pretty easy to narrow down.  Here’s an example of matching from Family Tree DNA.

FTDNA close match

If you’re less lucky, you’ll match distantly with many people, but by using their trees, you’ll be able to find common ancestors and then work your way forward, based on how closely you match these individuals, to the current.

Is that a sometimes long process?  Yes.  Can it be done?  Absolutely.

If you are one of the “lottery winner” lucky ones, you’ll have a close match and you won’t need to do the in-depth genealogy sleuthing.  If you are aren’t quite as lucky, there are people and resources to help you, along with educational resources.  www.dnaadoption.com provides tools and education to teach you how to utilize autosomal DNA tools and results.

Of course, you won’t know how lucky or unlucky you are unless you test.  Your answer, or pieces of your answer, may be waiting for you.

Unlike Y and mtDNA testing, Family Tree DNA is not the only company to provide autosomal of testing, although they do provide autosomal DNA testing through their Family Finder test.

There are two additional companies that provide this type of testing as well, 23andMe and Ancestry.com.  You should absolutely test with all three companies, or make sure your results are in all three data bases.  That way you are fishing in all of the available ponds directly.

If you have to choose between testing companies and only utilize one, it would be a very difficult choice.  All three have pros and cons.  I wrote about that here.  The only thing I would add to what I had to say in the comparison article is that Family Tree DNA is the only one of the three that is not trying to obtain your consent to sell your DNA out the back door to other entities.  They don’t sell your DNA, period.  You don’t have to grant that consent to either Ancestry or 23andMe, but be careful not to click on anything you don’t fully understand.

Family Tree DNA accepts transfers of autosomal data into their data base from Ancestry.  They also accept transfers from 23andMe if you tested before December of 2013 when 23andMe reduced the number of locations they test on their V4 chip

Autosomal DNA:  What to Order

Ancestry.com’s DNA product at http://www.ancestry.com – they only have one and it’s an autosomal DNA test

23andMe’s DNA product at http://www.23andMe.com – they only have one and it’s an autosomal DNA test

Family Tree DNA – either transfer your data from Ancestry or 23andMe (if you tested before December 2013), or order the Family Finder test. My personal preference is to simply test at Family Tree DNA to eliminate any possibility of a file transfer issue.

FTDNA FF

Third Party Autosomal Tools

The last part of your testing strategy will be to utilize various third party tools to help you find matches, evaluate and analyze results.

GedMatch

At GedMatch, the first thing you’ll need to do is to download your raw autosomal data file from either Ancestry or Family Tree DNA and upload the file to www.gedmatch.com.  You can also download your results from 23andMe, but I prefer to utilize the files from either of the other two vendors, given a choice, because they cover about 200,000 additional DNA locations that 23andMe does not.

Ancestry.com provides you with no tools to do comparisons between your DNA and your matches.  In other words, no chromosome browser or even information like how much DNA you share.  I wrote about that extensively in this article, and I don’t want to belabor the point here, other than to say that GedMatch levels the playing field and allows you to eliminate any of the artificial barriers put in place by the vendors.  Jim Bartlett just wrote a great article about the various reasons why you’d want to upload your data to Gedmatch.

GedMatch provides you with many tools to show to whom you are related, and how.  Used in conjunction with pedigree charts, it is an invaluable tool.  Now, if we could just convince everyone to upload their files.  Obviously, not everyone does, so you’ll still need to work with your matches individually at each of the vendors and at GedMatch.

GedMatch is funded by donations or an inexpensive monthly subscription for the more advanced tools.

DNAGEDCOM.com

Another donation based site is http://www.dnagedcom.com which offers you a wide range of analytical tools to assist with making sense of your matches and their trees.  DNAGEDCOM works closely with the adoption community and focuses on the types of solutions they need to solve their unique types of genealogy puzzles.  While everyone else is starting in the present and working their way back, adoptees are starting with the older generations and piecing them together to come forward to present.  Their tools aren’t just for adoptees though.  Tools such as the Autosomal DNA Segment Analyzer are great for anyone.  Visit the site and take a look.

Third Party Y and Mitochondrial Tools – YSearch and MitoSearch

Both www.ysearch.org and www.mitosearch.org are free data bases maintained separately from Family Tree DNA, but as a courtesy by Family Tree DNA.  Ysearch shows only a maximum of 100 markers for Y DNA and Mitosearch doesn’t show the coding region of the mitochondrial DNA, but they do allow users to provide their actual marker values for direct comparison, in addition to other tools.

Furthermore, some people who tested at other firms, when other companies were doing Y and mtDNA testing, have entered their results here, so you may match with people who aren’t matches at Family Tree DNA.  Those other data bases no longer exist, so Ysearch or Mitosearch is the only place you have a prayer of matching anyone who tested elsewhere.

You can also adjust the match threshold so that you can see more distant matches than at Family Tree DNA.  You can download your results to Ysearch and Mitosearch from the bottom of your Family Tree DNA matches page.

Mitosearch upload

Answer the questions at Mito or Ysearch, and then click “Save Information.”  When you receive the “500” message that an error has occurred at the end of the process, simply close the window.  Your data has been added to the data base and you can obtain your ID number by simply going back to your match page at Family Tree DNA and clicking on the “Upload to Ysearch” or Mitosearch link again on the bottom of your matches page.  At that point, your Y or mitosearch ID will be displayed.  Just click on “Search for Genetic Matches” to continue matching.

Get Going!

Now that you have a plan, place your orders and in another 6 to 8 weeks, you’ll either solve the quandry or at least begin to answer your questions.  Twenty years ago you couldn’t have begun to unravel your parentage using DNA.  Now, it’s commonplace.  Your adventure starts today.

Oh, and congratulations, you’ve just become a DNA detective!

I wish you success on your journey – answers, cousins, siblings and most importantly, your genetic family.  Hopefully, one day it will be you writing to me telling me how wonderful it was to meet your genetic family for the first time, and what an amazing experience it was to look across the dinner table and see someone who looks like you.

Yamnaya, Light Skinned, Brown Eyed….Ancestors???

Late last fall, I reported that scientists had discovered a European ghost population.  This group of people then referred to as the ANE, Ancient Northern Europeans, was a previously unknown population from the north that had mixed into the known European populations, the Hunter-Gatherers and the farmers from the Middle East, the Neolithic.

That discovery came as a result of the full genome sequencing of a few ancient specimens, including one from the Altai.

Recently, several papers have been published as a result of ongoing sequencing efforts of another 200 or so ancient specimens.  As a result, scientists now believe that this ghost population has been identified as the Yamnaya and that they began a mass migration in different directions, including Europe, about 5,000 years ago.  Along with their light skin and brown eyes, they brought along with them their gene(s) for lactose tolerance.  So, if you have European heritage and are lactose tolerant, then maybe you can thank your Yamnaya ancestors.

1.Haak et al. http://doi.org/z9d (2015) from Feb. 18, 2015 “Steppe migration rekindles debate on language origin” by Ellen Callaway

1.Haak et al. http://doi.org/z9d (2015) from Feb. 18, 2015 “Steppe migration rekindles debate on language origin” by Ellen Callaway

For those of us who avidly follow these types of discoveries, this is not only amazing, it’s wonderful news.  It helps to continue to explain how and why some haplogroups are found in the Native American population and in the Northern European population as well.  For example, haplogroup Q is found in both places – not exact duplicates, but certainly close enough for us to know they were at one time related.  It also explains how people from Germany, for example, are showing small percentages of Native American ancestry.  Their common ancestors were indeed from central Asia, thousands of years ago, and we can still see vestiges of that population today in both groups of people.

So, if the Yamnaya people are the ghost people, the ANE, who are they?

The Yamna culture was primarily nomadic and was found in Russia in the Ural Region, the Pontic Steppe, dating to the 36th-23rd century BC.  It is also known as the Pit Grave Culture, the Ochre Grave Culture and feeds into the Corded Ware Culture.

"Corded Ware culture" by User:Dbachmann - Own work based based on Image:Europe 34 62 -12 54 blank map.png. Licensed under CC BY-SA 3.0 via Wikimedia Commons - https://commons.wikimedia.org/wiki/File:Corded_Ware_culture.png#/media/File:Corded_Ware_culture.png

“Corded Ware culture” by User:Dbachmann – Own work based based on Image:Europe 34 62 -12 54 blank map.png. Licensed under CC BY-SA 3.0 via Wikimedia Commons – https://commons.wikimedia.org/wiki/File:Corded_Ware_culture.png#/media/File:Corded_Ware_culture.png

Characteristics for the culture are burials in kurgans (tumuli) in pit graves with the dead body placed in a supine position with bent knees. The bodies were covered in ochre. Multiple graves have been found in these kurgans, often as later insertions.  The first known cart burial is also found in a kurgan grave.  A kurgan often appears as a hill, example shown below, and have been found in locations throughout eastern and northern Europe..

Hallstatt-era tumulus in the Sulm valley necropolis in Austria, photo by Hermann A. M. Mucke.

Hallstatt-era tumulus in the Sulm valley necropolis in Austria, photo by Hermann A. M. Mucke.

Additionally, some scientists believe that the Yamna culture was responsible for the introduction of PIE, Proto-Indo-European-Language, the now defunct mother-tongue of European languages.  Others think it’s way too soon to tell, and that suggestion is jumping the gun a bit.

Why might these recent discoveries be important to many genetic genealogists?  Primarily, because Y haplogroup R has been identified in ancient Russian remains dating from 2700-3400 BCE.  Haplogroup R and subgroups had not been found in the ancient European remains sequenced as of last fall.  In addition, subgroups of mitochondrial haplogroups U, W, H, T and W have been identified as well.

Keep in mind that we are still dealing with less than 300 skeletal remains that have been fully sequenced.  This trend may hold, or a new discovery may well cause the thought pattern to be “reconfigured” slightly or significantly.  Regardless, it’s exciting to be part of the learning and discovery process.

Oh yes, and before I forget to mention it…it seems that your Neanderthal ancestors may not be as far back in your tree as you thought.  They have now found 40,000 year old skeletal remains that suggest that person’s great-great-grandfather was in fact, full Neanderthal.  That’s significantly later than previously thought, by 10,000 or 20,000 years, and in Europe, not the Near East…and who knows what is just waiting to be found.  The new field of ancient DNA is literally bursting open as we watch.

I’ve accumulated several recent articles and some abstracts so that you can read about these interesting developments, in summary, and not have to do a lot of searching.  Enjoy!

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Modern Europe was formed by milk-drinking Russians: Mass migration brought new genetic makeup to continent 5,000 years ago
http://www.dailymail.co.uk/news/article-3119310/How-white-Europeans-arrived-5-000-years-ago-Mass-migration-southern-Russia-brought-new-technology-dairy-farming-continent.html

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DNA Deciphers Roots of Modern Europeans
http://www.nytimes.com/2015/06/16/science/dna-deciphers-roots-of-modern-europeans.html?smid=fb-nytimes&smtyp=cur&_r=1

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Science – Nomadic Herders Left a Strong Genetic Mark on Europeans and Asians
http://news.sciencemag.org/archaeology/2015/06/nomadic-herders-left-strong-genetic-mark-europeans-and-asians

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Nature – DNA Data Explosion Light Up the Bronze Age
http://www.nature.com/news/dna-data-explosion-lights-up-the-bronze-age-1.17723

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From the European Nucleotide Archive.  http://www.ebi.ac.uk/ena/data/view/PRJEB9021

Investigation of Bronze Age in Eurasia by sequencing from 101 ancient human remains. We show that around 3 ka BC, Central and Northern Europe and Central Asia receive genetic input through people related to the Yamnaya Culture from the Pontic-Caspian Steppe, resulting in the formation of the Corded Ware Culture in Europe and the Afanasievo Culture in Central Asia. A thousand years later, genetic input from North-Central Europe into Central Asia gives rise to the Sintashta and Andronovo Cultures. During the late BA and Iron Age, the European-derived populations in Asia are gradually replaced by multi-ethnic cultures, of which some relate to contemporary Asian groups, while others share recent ancestry with Native American

Description

The Bronze Age (BA) of Eurasia (c. 3,000-1,000 years BC, 3-1 ka BC) was a period of major cultural changes. Earlier hunter-gathering and farming cultures in Europe and Asia were replaced by cultures associated with completely new perceptions and technologies inspired by early urban civilization. It remains debated if these cultural shifts simply represented the circulation of ideas or resulted from large-scale human migrations, potentially also facilitating the spread of Indo-European languages and certain phenotypic traits. To investigate this and the role of BA in the formation of Eurasian genetic structure, we used new methodological improvements to sequence low coverage genomes from 101 ancient humans (19 > 1X average depth) covering 3 ka BC to 600 AD from across Eurasia. We show that around 3 ka BC, Central and Northern Europe and Central Asia receive genetic input through people related to the Yamnaya Culture from the Pontic-Caspian Steppe, resulting in the formation of the Corded Ware Culture in Europe and the Afanasievo Culture in Central Asia. A thousand years later, genetic input from North-Central Europe into Central Asia gives rise to the Sintashta and Andronovo Cultures. During the late BA and Iron Age, the European-derived populations in Asia are gradually replaced by multi-ethnic cultures, of which some relate to contemporary Asian groups, while others share recent ancestry with Native Americans. Our findings are consistent with the hypothesised spread of Indo-European languages during early BA and reveal that major parts of the demographic structure of present-day Eurasian populations were shaped during this period. We also demonstrate that light skin pigmentation in Europeans was already present at high frequency during the BA, contrary to lactose tolerance, indicating a more recent onset of positive selection in the latter than previously believed.

Abstract

The Bronze Age (BA) of Eurasia (c. 3,000-1,000 years BC, 3-1 ka BC) was a period of major cultural changes. Earlier hunter-gathering and farming cultures in Europe and Asia were replaced by cultures associated with completely new perceptions and technologies inspired by early urban civilization. It remains debated if these cultural shifts simply represented the circulation of ideas or resulted from large-scale human migrations, potentially also facilitating the spread of Indo-European languages and certain phenotypic traits. To investigate this and the role of BA in the formation of Eurasian genetic structure, we used new methodological improvements to sequence low coverage genomes from 101 ancient humans (19 > 1X average depth) covering 3 ka BC to 600 AD from across Eurasia. We show that around 3 ka BC, Central and Northern Europe and Central Asia receive genetic input through people related to the Yamnaya Culture from the Pontic-Caspian Steppe, resulting in the formation of the Corded Ware Culture in Europe and the Afanasievo Culture in Central Asia. A thousand years later, genetic input from North-Central Europe into Central Asia gives rise to the Sintashta and Andronovo Cultures. During the late BA and Iron Age, the European-derived populations in Asia are gradually replaced by multi-ethnic cultures, of which some relate to contemporary Asian groups, while others share recent ancestry with Native Americans. Our findings are consistent with the hypothesised spread of Indo-European languages during early BA and reveal that major parts of the demographic structure of present-day Eurasian populations were shaped during this period. We also demonstrate that light skin pigmentation in Europeans was already present at high frequency during the BA, contrary to lactose tolerance, indicating a more recent onset of positive selection in the latter than previously believed.

The findings echo those of a team that sequenced 69 ancient Europeans3. Both groups speculate that the Yamnaya migration was at least partly responsible for the spread of the Indo-European languages into Western Europe.

The report on the 69 ancient remains sequenced is below.

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Steppe migration rekindles debate on language origin
http://www.nature.com/news/steppe-migration-rekindles-debate-on-language-origin-1.16935

The Harvard team collected DNA from 69 human remains dating back 8,000 years and cataloged the genetic variations at almost 400,000 different points. The Copenhagen team collected DNA from 101 skeletons dating back about 3,400 years and sequenced the entire genomes.

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Population genetics of Bronze Age Eurasia
http://www.nature.com/nature/journal/v522/n7555/full/nature14507.html

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Dienekes Anthropology Blog
http://dienekes.blogspot.com/2014/06/ancient-dna-from-bronze-age-altai.html

Forensic Science International: Genetics Received 2 January 2014; received in revised form 21 May 2014; accepted 25 May 2014. published online 04 June 2014.

The Altai Mountains have been a long term boundary zone between the Eurasian Steppe populations and South and East Asian populations. Mitochondrial DNA analyses revealed that the ancient Altaians studied carried both Western (H, U, T) and Eastern (A, C, D) Eurasian lineages. In the same way, the patrilineal gene pool revealed the presence of different haplogroups (Q1a2a1-L54, R1a1a1b2-Z93 and C), probably marking different origins for the male paternal lineages.

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Dienekes Anthropology Blog
http://dienekes.blogspot.com/2013/06/mtdna-from-late-bronze-age-west-siberia.html

Includes mitochondrial haplogroups C, U2e, T, U5a, T1, A10.

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Population Genetics copper and Bronze Age populations of Eastern Steppe, thesis by Sandra Wilde
http://ubm.opus.hbz-nrw.de/volltexte/2015/3975/ (in German)

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Eurogenes blog discusses
http://eurogenes.blogspot.com/2015/03/population-genetics-of-copper-and.html

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Polish Genes Blog
http://polishgenes.blogspot.com/2015/05/r1a1a-from-early-bronze-age-warrior.html

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Early European May Have Had Neanderthal Great-Great-Greandparent
http://www.nature.com/news/early-european-may-have-had-neanderthal-great-great-grandparent-1.17534

40,000 year old Romanian skeleton with 5 – 11% Neanderthal, including large parts of some chromosomes – as close as a great-grandparent.  Previously thought that interbreeding was in the Middle East and 10,000 or 20,000 years earlier.

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How is this all happening?

The Scientist Magazine has a great overview in the June 1, 2015 edition, in “What’s Old is New Again.”
http://www.the-scientist.com/?articles.view/articleNo/43069/title/What-s-Old-Is-New-Again/

Are You Native? – Native American Haplogroup Origins and Ancestral Origins

At Family Tree DNA, having Haplogroup Origins and Ancestral Origins indicating Native American ancestry does not necessarily mean you are Native American or have Native American heritage.

This is a very pervasive myth that needs to be dispelled – although it’s easy to see how people draw that erroneous conclusion.  Let’s look at why – and how to draw a correct conclusion.

The good news is that more and more people are DNA testing.  The bad news is that errors in the system are tending to become more problematic, or said another way, GIGO – Garbage in, Garbage Out.

I want to address this problem in particular having to do with Native American ancestry – or the perception thereof.

At Family Tree DNA, everyone who tests their Y DNA or their mitochondrial DNA have both Haplogroup Origins and Ancestral Origins tabs as two of your 7 information tabs detailing your results.

haplogroup and ancestral orgins tab

The goals of these two pages are to provide the testers with locations around the world where their haplogroup is found, and locations where their matches’ ancestors are found – according to their matches.

Did a little neon danger sign start flashing?  It should have.

Haplogroup Origins

Haplogroup Origins provides testers with information about the origins of other individuals who match your haplogroup both exactly and nearly.  This data base uses the location information from both the Family Tree DNA participant data base and other academic or private databases.

haplogroup origins 2

Ancestral Origins

Ancestral Origins is comprised primarily of the results of the “most distant ancestor” country of your matches at Family Tree DNA.  This tab is designed to provide you a view into the locations where your closest matches are found at each of the testing levels.  After all, that’s where your ancestors are most likely to be from, as well.

ancestral origins 2

Most of the time this works really well, providing valuable information to testers, assuming two things:

1. Participants who are entering the information for their “most distant ancestor” understand that in the case of the Y line DNA – this is the most distant direct MALE ancestor who carries that paternal surname. Not his wife or someone else in that line.

Sometimes, people enter the name of the person in that line, in general, who lived to be the oldest – but that’s not what this field is requesting – the most distant – meaning further back in that direct line.

For mitochondrial DNA, this is the most distant FEMALE in your mother’s mother’s mother’s mother’s direct line – directly on up that maternal tree until you run out of mothers who have been identified. I can’t tell you how many male names I see listed as the “most distant ancestor” when I do DNA reports for people – and I know immediately that information is incorrect – along with their associated geographic locations.

mtdna matches

In this mitochondrial example, the third match shows a male Indian Chief.  The first problem is that this is a mitochondrial DNA test, so the mitochondrial DNA could not have descended from a male.  If you don’t understand how Y and mitochondrial DNA descends from ancestors, click here.

Secondly, there is no known genealogical descent from this chief – but that really doesn’t matter because the mtDNA cannot descend from a male and the batter is out with the first problem, before you ever get to the second issue.  However, if you are someone who is “looking for” Native American ancestry, this information is very welcome and even seems to be confirming – but it isn’t.  It’s a red herring.

Unfortunately, this may now have perpetuated itself in some fashion, because look at the first and last lines of this next entry – again – another male chief.  The second entry with a name is another male too, Domenico.  Hmmm….maybe information entered by other participants isn’t always reliable and shouldn’t be taken at face value….

mtdna matches 2

2. This approach works well if people enter only known, verified, proven information, not speculation. Herein lies the problem with Native American heritage. Let’s say that the family oral history says that my mother’s mother’s line is Native American. I decide to DNA test, so for the “Most Distant Ancestor” location I select “United States – Native American.”

united states selection

The DNA test comes back and shows heritage other than Native, but that previous information that I entered is never changed in the system.  Now, we have a non-Native haplogroup showing as a Native American result.

Unfortunately, I see this on an increasingly frequent basis – Native American “location” associated with non-Native haplogroups.

non native hap

This scenario has been occurring for some time now.  Family Tree DNA at one point attempted to help this situation by implementing a system in which you can select “United States” meaning you are brick walled here, and “United States Native American” which means your most distant ancestor in that line is Native American.

Native American Haplogroups

There are a very limited number of major haplogroups that include Native American results.  For mitochondrial DNA, they are A, B, C, D, X and possibly M.  I maintain a research list of the subgroups which are Native.  Each of these base haplogroups also have subgroups which are European and/or Asian.  The same holds true for Native American Y haplogroups Q and C.

In the Haplogroup Origins and Ancestral Origins, there are many examples where Non-Native haplogroups are assigned as Native American, such as haplogroup H1a below.  Haplogroup H is European..

non native hap 2

A big hint as to an incorrect “Native” designation is when most or many of the other exact haplogroups, especially full sequence haplogroups, are not Native.  As Bennett Greenspan says, haplogroups and ethnicity are “guilt by genetic association.”  You aren’t going to find the same subhaplogroup in Czechoslovakia, Serbia or England and as a Native American too.

non native hap 3

Haplogroup J is European.

non native hap 4

Haplogroup K is European, and so is U2e1, below.

non native hap 5

Unfortunately, what is happening is that someone tests and see that out of several matches, one is Native American.  People don’t even notice the rest of their matches, they only see the Native match, like the example above.  They then decide that they too must be Native, because they have a Native match, so they change their own “most distant ancestor” location to reflect Native heritage.  This happens most often when someone is brick walled in the US.

non native hap 6

Another issue is that people see haplogroup X and realize that haplogroup X is one of the 5 mitochondrial haplogroups, A, B, C, D and X. that define Native American DNA.  However, those haplogroups have many subgroups and only a few of those subgroups are Native American.  Many are Asian or European.  Regardless, participants see the main haplogroup designation of X and assume that means their ancestor was Native.  They then enter Native American.

In the example above, haplogroup X1c has never been found in a Native American individual or population, although we are still actively looking.  Haplogroup X2a is a Native American subgroup.

In some cases, we are finding new subgroups of known Native haplogroups that are Native.  I recently wrote about this for haplogroup A4 where different subgroups are Asian, Jewish, Native and European.  This is, however, within an already known base haplogroup that includes a Native American subgroup – haplogroup A4.

When testers see these “Native American” results under Haplogroup and Ancestral Origins, they become very encouraged and excited.  Unfortunately, there is no way to verify which of your matches entered “Native American,” nor why, unless you have only a few matches and you can contact all of them.

When someone has tested at the full sequence level, remember that their results will show on these pages in the HVR1 section, the HVR2 section and the full sequence section.  So while it may look like there are three Native American results, there is only one, listed once in all three locations where it “counts.”  In the example below, there are two V3a1 full sequence matches that claim Native American.  Those were the chiefs shown above.  There are those two, plus one more HVR1+HVR2 individuals who has entered Native American as well.  However, if the match total was one for the HVR1, HVR2 and coding regions, that would mean there is one person who tested and matched in all 3 categories, not that 3 people tested.  In other words, you don’t add the match totals together.

non native hap 7

What Does A Native Match Look Like?

Of course, not all matches that indicate Native heritage are incorrect.  It’s a matter of looking at all of the available evidence and finding that guilt by genetic association.

In this first confirmed Native example, we see that the haplogroup is a known Native haplogroup, and all of the matches from outside the US are from areas known to have a preponderance of Native Americans in their population.  For example, about 80% of the people from Mexico carry Native American mitochondrial DNA.

Native 1

In this second example, we see Native American indicated, plus Mexico and Canada, which it typical.  In addition we see Spain.  Just like some people assume Native American, some people from Mexico, Central and South America presume that their ancestors are from Spain, so I always take these with a grain of salt.  Japan is a legitimate location for haplogroup B as well, especially given that this result is listed at the HVR1 level. If this individual tested at the HVR2 or full sequence level, they might be assigned to a different subgroup, and therefore would no longer be considered a match.

native 2

It’s not just what is present that’s important, but what is absent as well.  There is no long list of full sequence matches to people whose ancestors come from European countries like the U2 example above.  Spain is understandable, given the history of the settlement of the Americas, and that can be overlooked or considered and set aside.  Japan makes sense too.  But a European haplogroup combined with a long list of primarily European high level matches with only one or two “Native” matches is impossible to justify away.

What Does Native American Mean?

This discussion begs the question of what Native American means.

It’s certainly possible for someone with a European or African haplogroup to descend from someone who was a proven member of the a tribe.  How is that possible?  Adoption, slavery and kidnapping.  All three were very prevalent practices in the Native culture.

For example, Mary Jemison is a very well-known frontierswoman adopted by the Seneca with many descendants today.  Was she Native?  Yes, she was adopted by the tribe.  Is her DNA Native?  No.  Were her ancestors Native?  No, they were European.  So, are her descendants Native, through her?  She married a Native man, so her descendants are clearly Native through him.  Whether you consider her descendants Native through her depends on how you define Native.  I think the answer would be both yes and no, and both should be a part of the history of Mary Jemison and her descendants.

If a European or African women was kidnapped, enslaved or adopted into the tribe, and bore children, her children were full tribal members.  Of course, today her descendants might have be unaware of her European or African roots, prior to her tribal membership.  Her mtDNA would, of course, come back as European or African, not Native.

This is a case where the culture of the tribe involved may overshadow the DNA in terms of definition of “Indian.”  However, genetically, that ancestor’s roots are still in either Europe or African, not in the Americas.

How Do We Know Which Haplogroups Are Native?

One of the problems we have today is that because there are so many people who carry the oral history of grandmother being “Cherokee,” it has become common to “self-assign” oneself as Native.  That’s all fine and good, until one begins to “self-assign” those haplogroups as Native as well – by virtue of that “Native” assignment in the Family Tree DNA data base.  That’s a horse of a different color.

Because having a Native American ancestor has become so popular, there are now entities who collect “self-assigned” Native descendants and ancestors and, if you match one of those “self-assigned” Native descendants and their haplogroups, voila, you too are magically Native.

I can tell you, being an administrator for the American Indian, Cherokee, Tuscarora, Lumbee and other Native American DNA projects – that list of “self-assigned” Native haplogroups would include every European and African haplogroup in existence – so we would one and all be Native – using that yardstick for comparison.  How about that!

Bottom line – no matter how unhappy it makes people – that’s just not true.

A great deal of research has been undertaken over the past two decades into Native American genetic heritage – and continues today.  The reason I started my Native American Mitochondrial DNA Haplogroup list is because it’s difficult to track and keep track of legitimate developments.  Any time someone tells me they have “heard” that haplogroup H, for example, is Native, I ask them for a credible source.  I’ve yet to see one.

How do we determine whether a haplogroup is Native, or not?

The litmus paper test is whether or not the haplogroup has been found in pre-contact burials.  If yes, then it can be considered that the ancestor was living on this continent prior to European contact.  Native people arrived from Asia, across Beringia into what is now Alaska, and then scattered over thousands of years across all of North and South America.  We see subgroups of these same haplogroups across this entire space.

In some locations, the Native people are much less admixed than, for example, the tribes that came into the earliest and closest contact Europeans.  These tribes were decimated and many are now extinct.  I wrote about this in my paper titled, “Where Have All the Indians Gone.”

The tribes that are less admixed are probably the best barometers of Native heritage today.

We are hoping for new discoveries every day, but for today, we must rely on the information we have that is known and proven.

Interpreting Results Today

Native American haplogroup results today are subsets of Y DNA haplogroups Q and C.  If you find a haplogroup O result that might potentially be Native, PLEASE let me know.  This is also a possibility, but as yet unproven.

Mitochondrial Native American haplogroups include subgroups of A, B, C, D, X and possibly M.

If anyone tells you otherwise, personally or indirectly via Haplogroup or Ancestral Origins – keep in mind that extraordinary claims require extraordinary proof and data is only as good as its source.  Look at all of the information – what is present, what is absent, the testing level and what kind of documentation your matches have to share.

Finding your haplogroup listed as Native American in the Haplogroup or Ancestral Origins doesn’t make you Native American any more than it would make you an elephant if someone else listed “purple elephant.”

purple elephant

The only things that make you Native American are either a confirmed Native haplogroup subgroup, preferably with proven Native matches, or a confirmed genealogical paper trail.  Best of all scenarios is a combination of a Native haplogroup, matches that suggest or confirm your tribe and a proven paper trail.  That combination removes all doubt.

Evidence

Of the various kinds of evidence, some can stand alone, and some cannot.

Evidence Type Evidence Results Comments
DNA Y or mitochondrial Confirmed Native American subgroup – can stand alone sometimes With deep level testing, this can be enough to prove Native ancestry.  For Y  this generally means advanced SNP testing or matching to other proven Native participants.  For mitochondrial DNA, it means full sequence testing.
Proven paper trail Proven Native tribal membership, but does not prove ancestral origins Needs DNA evidence to prove whether the tribal member was admixed.
Matches to Haplogroup or Ancestral Origins If Native is indicated, need to evaluate the rest of the information. Level of testing, haplogroup, locations of most distant ancestors of other matches need to be evaluated, plus any paper trail evidence.
Autosomal DNA matches To people with Native ancestry Unless you can prove a common ancestor through triangulation, those individuals with Native ancestry could be related to you through any ancestor.  Matches to several people with Native ancestry does not indicate or suggest that you have Native ancestry.
Native DNA ethnicity through autosomal testing Native American results You can generally rely on these results, especially if they are over 5%.  Unless you have reason to believe that other regions could be providing some interfering results, this is probably a legitimate indication of Native heritage.  Locations that sometimes give Native results are Asia and eastern European countries that absorbed Asian invaders, such as the Slavic countries and Germany.  I wrote about this here.

If you don’t test, you can’t play.  If you think you have Native American ancestry, you can take the Y DNA test (at least to 37 markers) if you are a male, the full sequence test if you are testing mitochondrial DNA, or Family Finder to match family members from all ancestral lines and discover if you show any Native American in your ethnicity estimate provided in myOrigins.  Men can take all 3 tests and women can take the mitochondrial DNA and Family Finder tests.  Family Tree DNA is the only testing company providing this comprehensive level of testing.

Haplogroup A4 Unpeeled – European, Jewish, Asian and Native American

Mitochondrial DNA provides us with a unique periscope back in time to view our most distant ancestors, and the path that they took through time and place to become us, here, today.  Because mitochondrial DNA is passed from generation to generation through an all-female line, un-admixed with the DNA from the father, the mitochondrial DNA we carry today is essentially the same as that carried by our ancestors hundreds or even thousands of years ago, with the exception of an occasional mutation.

Y and mito

You can see in the pedigree chart above that the red mitochondrial DNA is passed directly down the matrilineal line.  Women contribute their mitochondrial DNA to all of their children, of both genders, but only the females pass it on.

Because this DNA is preserved in descendants, relatively unchanged, for thousands of years, we can equate haplogroups, or clans, to specific regions of the world where that particular haplogroup was born by virtue of a specific mutation.  All descendants carry that mutation from that time forward, so they are members of that new haplogroup.

For example, here we see the migration path of haplogroup A, after being born in the Middle East, spreading across Eurasia into the Americas, courtesy of Family Tree DNA.

Hap A map crop

This pie chart indicates the frequency level at which haplogroup A is found in the Americas as compared to haplogroups B, C, D and X.

Hap A distribution

However, not all of haplogroup A arrived in the Americas.  Some subgroups are found along the path in Asia, and some made their way into Europe.  There are currently 48 sub-haplogroups of haplogroup A defined, with most of them being found in Asia.  Every new haplogroup and sub-haplogroup is defined by a new mutation that occurs in that line.  I wrote about how this works recently in the article, Haplogroups and The Three Brothers.

In the Americas, Native American mitochondrial haplogroups are identified by being subgroups of haplogroup A, B, C, D and X, as shown in the chart below.

beringia map

In the paper, Beringian Standstill and Spread of Native American Founders, by Tamm et al (2007), haplogroup A2 was the only haplogroup A subgroup identified as being Native American.

As of that time, no other sub-haplogroups of A had been found in either confirmed Native American people or burials.

In June, 2013, I realized that a subgroup of mitochondrial haplogroup A4 might, indeed, be Native American.

The haplogroup A4 project was formed as a research project with Marie Rundquist as a co-administrator and we proceeded to recruit people to join who either were haplogroup A4 or a derivative at Family Tree DNA, or had tested at Ancestry.com and appeared to be haplogroup A4 based on a specific mutation at location 16249 in the HVR1 region.  As it turns out, location 16249 is a haplogroup defining marker for haplogroup A4a1.

There weren’t many of these Ancestry people – maybe 20 in total at that time.  Ancestry has since discontinued their mitochondrial and Y DNA testing and has destroyed the data base, so it’s a good thing I checked when I did.  That resource is gone today.

Family Tree DNA has always been extremely supportive of scientific studies, whether through traditional academic channels or via citizen science, and they were kind enough to subsidize our testing efforts by offering reduced prices for mitochondrial testing to project members.  I want to thank them for their support.

Other haplogroup administrators have also been supportive.  I contacted the haplogroup A administrator and she was kind enough to send e-mails to her project members who were qualified to join the A4 project.  Supportive collaboration is critically important.

I wrote an article about the possibility that A4 might be Native, and through that article, raised money to enable people to test at Family Tree DNA or upgrade to the full sequence test.  Full sequence testing is critical to obtaining a full haplogroup designation.  Many of these people were only, at that time, defined by HVR1 or HVR1+HVR2 testing as haplogroup A.  Haplogroup A is, indeed, a Native American haplogroup, but it’s also an Asian haplogroup and we see it in Europe from time to time as well.  The only way to tell the difference between these groups is through full sequence testing.  Haplogroup A was born in Asia, about 30,000 years ago and has many subgroups.

What Do We Know About Haplogroup A4?

Haplogroup A4 has been identified as a subgroup of the parent haplogroup A and is the parent haplogroup of A2.  In essence, haplogroup A gave birth (through a mutation) to subgroup A4 who gave birth through a mutation to subgroup A2.

To date, before this research, all confirmed Native American haplogroups were subgroups of haplogroup A2.

In the Kumar et al 2011 paper, Schematic representation of mtDNA phylogenetic tree of Native American haplogroups A2 and B2 and immediate Siberian-Asian sister clades (A2a, A2b, A4a, A4b and A4c), no A4 was reported in the Americas, although A4 is clearly shown as the parent haplogroup of A2, which is found in the Americas.

On the graph below, from the paper, you can see the color coded “tabs” to the right of the haplogroup A designations that indicate where this haplogroup is found.  As you can see, A4 and subgroups is found only in Siberia and Asia, not in the Americas, which is indicated by yellow.

Hap A and B genesis

Schematic representation of mtDNA phylogenetic tree of Native American haplogroups A2 and B2 and immediate Siberian-Asian sister clades (A2a, A2b, A4a, A4b and A4c). Coalescent age calculated in thousand years (ky) as per the slow mutation rate of Mishmar et al. [58] and as per calibrated mutation rate of Soares et al. [59] are indicated in blue and red color respectively. The founder age wherever calculated are italicized. The geographical locations of the samples are identified with colors. For more details see complete phylogenetic reconstruction in additional file 2 (panels A-B) and additional file 3. Kumar et al. BMC Evolutionary Biology 2011 11:293 doi:10.1186/1471-2148-11-293

I then checked both GenBank and www.mtdnacommunity.org for haplogroup A4 submissions.  Ian Logan’s checker program makes it easy to check submissions by haplogroup.

MtDNACommunity reflected one A4 submission from Mexico and from the United States, which does not necessarily mean that the United States submission is indigenous – simply that is where the submission originated.  The balance of the submissions are from either academic papers or from Asia.

During this process, I utilized PhyloTree, Build 15, shown below, as my reference tree.  Build 16 was introduced as of February 2014.  It renames the A4 haplogroups.  In order to avoid confusion, I am utilizing the Build 15 nomenclature.  These are the haplogroup names currently in use by the vendors and utilized in academic papers.

Hap A tree

I am also utilizing the CRS version, not the RSRS version of mutations.  Again, these are the mutations referenced by academic papers and the version generally used among genealogists.

Family Tree DNA provides an easy reference chart of which mutations are haplogroup defining.  For haplogroup A4, we find the following progression.

A4 T16362C
A4a G1442A
A4a1 G9713A, T16249C
A4a1a T4928C

This means that everyone who falls in haplogroup A4 carries this specific mutation at location 16362.  The original value at that location was a T and in haplogroup A, that T has mutated to a C.  This defines haplogroup A4.  So, if you don’t have this mutation, you definitely aren’t in haplogroup A4.  Everyone in haplogroup A4 carries this mutation (unless you’ve had a back mutation, a very rare occurrence.)

This is actually a wonderful turn of events, because it means that the defining mutation for A4 is in the HVR1 region, which further means that regardless of how the haplogroup A individual is classified, I can tell with a quick glance if they are A4 or not.

In addition, subgroups are defined by other mutations as well, shown above.  For example, haplogroup A4a carries the A4 mutation of T16362C plus the additional mutation of G1442A that defines subclade A4a.

Full sequence testing showed that there was actually quite a variety of subhaplogroups in the project participants.

What Did We Find?

In the haplogroup A4 project, we now have 55 participants who fell into 11 different haplogroups when full sequence tested.

A4 project distribution crop

I have removed all haplogroup A2 individuals from further discussion, as we already know A2 is Native.  We have established a haplogroup A2 project for them, as well.

A4b

We found two haplogroup A4b individuals.  The most distant known ancestor of one is found in Tennessee, but the most distant ancestor of the other is found in England.  These two individuals have 19 HVR1 matches, of which many are to other A4b individuals.  There is no evidence of Native American ancestry in this group.

A4-A200G

This unusual haplogroup name indicates that this is a subgroup of haplogroup A4, defined by a mutation at location 200 that has changed from A to G.  The new subgroup is waiting to be named.  So eventually A4-A200G will be replaced with something like A4z, just as an example.

This individual is from Asia, so this haplogroup is not Native.

A10

One individual, upon full sequence testing, was found to carry haplogroup A10, which is not a subgroup of A4.  This is quite interesting, because the most distant ancestor is Catherine Pillard, originally believe to be one of the “Kings Daughters,” meaning French.  This article explains the situation and the question at hand.

All five of her full sequence matches are either to other descendants of Catherine Pillard, or designated as French Canadian.

One of this woman’s ten HVR2 matches shows her ancestor, Annenghton Annenghto, as born at the Ossosane Mission, Huronia, La Rochelle, Ontario, Canada and died in 1657 in Canada.  If this is correct and can be confirmed, haplogroup A10 could be Native, not French.  Her daughter, Marie Catherine Platt has a baptismal record dated March 30, 1651, was also born at the mission, and is believe to be Huron.

This article more fully explains the research and documents relevant to Catherine Pillard’s ancestry.

Based on these several articles, it seems that an assumption had originally been made that because the individual fell into haplogroup A, and haplogroup A was Asian and Native, that this individual would be Native as well.

This determination was made in 2007, based on only the HVR1 and HVR2 regions of the mitochondrial DNA, and on the fact that the DNA results fell within haplogroup A, as documented here.  The HVR1 and HVR2 regions do not include the haplogroup defining mutations for haplogroup A10, so until full sequence testing became available, this sequence could not be defined as A10.  The conclusion that haplogroup A equated to Native American was not a scientific certainty, only one of multiple possibilities, and may have been premature.

I contacted several French-Canadian scholars regarding the documents for Catherine Pillard and there is no consensus as to whether she was Native or European, based on the available documentation.  In fact, there are two very distinct and very different opinions.  There is also a possibility that there are two women whose records are confused or intermixed.

So it seems that both Catherine Pillard’s DNA and supporting documents are ambiguous at this point in time.

One of the ways we determine mitochondrial ethnicity in situations like this is “guilt by genetic association,” to quote Bennett Greenspan.  In other words, if you have exactly the same DNA and mutations as several other people, and they and their ancestors are proven to live in Scotland, or Paris, or Greece, you’re not Native American.  This works the other way too, as we’ll see in Kit 11 of the haplogroup A4 outliers group.

Looking at other resources, MtDNA Community shows two references to A10, one submitted from Family Tree DNA and one from the below referenced article.

Haplogroup A10 has one reference in Mitogenomic Diversity in Tatars from the Volga-Ural Region of Russia by Malyarchuk et al, (201 Molecular Biological Evolution) but has since been reassigned as haplogroup A8, as follows:

However, some of the singular haplotypes appear to be informative for further development of mtDNA classification. Sample 23_Tm could be assigned to A10 according to nomenclature suggested by van Oven and Kayser (2009). However, phylogenetic analysis of complete mtDNAs (fig. 1) reveals that this sample belongs to haplogroup A8, which is defined now by transition at np 64 and consists of two related groups of lineages—A8a, with control region motif 146-16242 (previously defined as A8 by Derenko et al. [2007]), and A8b, with motif 16227C-16230 (supplementary table S3, Supplementary Material online). Analysis of HVS I and II sequences in populations indicates that transition at np 64 appears to be a reliable marker of haplogroup A8 (supplementary table S3, Supplementary Material online). The only exception, the probable back mutations at nps 64 and 146, has been described in Koryak haplotype EU482363 by Volodko et al. (2008). Therefore, parallel transitions at np 64 define not only Native American clusters of haplogroup A2, that is, its node A2c’d’e’f’g’h’i’j’k’n’p (Achilli et al. 2008; van Oven and Kayser 2009), but also northern Eurasian haplogroup A8. Both A8 and subhaplogroups are spread at relatively low frequencies in populations of central and western Siberia and in the Volga-Ural region. A8a is present even in Transylvania at frequency of 1.1% among Romanians, thus indicating that the presence of such mtDNA lineages in Europe may be mostly a consequence of medieval migrations of nomadic tribes from Siberia and the Volga-Ural region to Central Europe (Malyarchuk et al. 2006; Malyarchuk, Derenko, et al. 2008).

On Phylotree build 15, A10 is defined as T5393C, C7468T, C9948A, C10094T A16227c, T16311C! and the submissions are noted as the Malyarchuk 2010b paper noting it as “A8b”and a Family Tree DNA submission.

At this point, haplogroup A10 is indeterminate and could be either Native or European.  We won’t know until we have confirmed test results combined with confirmed genealogy or location for another A10 individual.

A4

Haplogroup A4 itself is not the haplogroup I originally suspected was Native.  When this project first began, we had few A4s, and I suspected that they would become A4a1 when full sequence tested.  I expected A4a1 would be Native American.

Subsequent testing has shown that haplogroup A4 very clearly falls into major subgroups, as defined by different mutations.

A4 European

The European A4 group is comprised of three participants.  Of those three, two are matches to each other and the third is quite distant with no matches.  I suspect that we are dealing with two different European sub-haplogroups of A4.

Two project participants, one from Romania and one from Poland match each other and both match one additional individual from Hungary who is not a project member.  This group is eastern European.

The Romanian and Polish kits that match each other both carry mutations at locations 16182C, 16183C, 16189C, 150T, 204C, 3213G, 3801C and 14025C.  The third person that they match, who is not a project member, from Hungary, matches one of those kits exactly, so that gives us three kits carrying this same series of mutations.  These mutations do not match any other individuals carrying haplogroup A4.  This group appears to be Jewish, as all three of the participants are of the Jewish faith.

This leaves the third project participant from Poland who does not have any matches today, within or outside of the project.  This participant is clearly a different subclade of A4.  They match none of the defining markers of the group above. They do have unique mutations at locations not found in other A4 participants within the project.

This provides us with the following European haplogroup A4 results:

  • Eastern European –Jewish – 2 participants plus one exact full sequence match outside of project
  • Eastern European – does not match group above, has no matches today, five unique mutations including 4 in the coding region.

A4 Chinese

This A4 participant is from China.

This sequence is actually very interesting because of its relative age.  This individual has 109 matches at the HVR1 level.  This means, of course, that they are exact matches.  They match many people in varying locations such as people with Spanish surnames, participants from Michigan, Mexico and Asia which include people with extended haplogroups of A, A4 and A4-A200G haplogroup designations.

At first this appears confusing, until you realize two things.  First, the participant doesn’t continue those matches at the HVR2 level and second, this means that all of those people still carry the Haplogroup “A4 signature” HVR1 mitochondrial DNA, exactly.

This means that those matches stretch back in time thousands of years, until before the divergence of Native Americans and Asians, so at least 12,000 years, if not longer.  People who have incurred mutations in the HVR1 region don’t match, but those who have not, and today, there are only 109 in the Family Tree DNA data base, still match each other – reaching back to their common Asian ancestor many millennia ago.

This individual has developed two mutations in the HVR2 region at locations 156G and 159G.  The participant also does not carry the haplogroup A defining mutation at location 263G which means either that 263G actually defines a subgroup, or this participant has had a back mutation to the original state at this location.  This individual did not test at the full sequence level.

A4 Americas

This leaves a total of 14 haplogroup A4 individuals within the project.

In order to show a comparison, I have removed all private mutations where none of this group matches each other.  I have also removed the haplogroup defining mutations as well as 16519C and all insertions and deletions since those areas are considered to be unstable.  In other words, what I’m looking for are groups of mutations where this group matches each other and no one else.  These are very likely sub-haplogroup defining mutations.

In addition to all private mutations, deleted columns include: 16223, 16332, 16290, 16319, 16362, 16519, 73, 152, 235, 263, 309.1, 309.2, 315.1, 522, 523, 663, 750, 1438, 1736, 2706, 4248, 4769, 4824, 7028, 8794, 8860, 11719, 12705, 14766, 15326.

I then rearranged the remaining columns and color coded groups.  You can click on the chart to enlarge.

A4 mutations

Note: na means not available, indicating that the participant did not test at that level.  An x in the cell indicates that the mutation indicated in that column was present.

The purple and apricot groupings show different clusters of matches.  The light purple is the largest group, and within that group, we find both a dark purple group and an apricot group.  However, not everyone fits within the groups.

A4 – Virginia

The first thing that is immediately evident is that the first kit, Kit 1, is not a member of this purple grouping.  This person has three full sequence matches outside of the project, one whose ancestor was born in Texas.  This individual has three unique full sequence mutations.  This grouping may be Native, but lacks proof.

Additional genealogical research might establish a confirmed Native American connection. If Kit 1 is Native, this line diverged from this larger A4 group long ago, before any of these purple or apricot mutations developed.

This participant’s ancestor traces to Virginia.  Regardless of whether this haplotype is Native or not, it is most likely a sub-haplogroup of A4.

A4 – Colombia

The next least likely match is Kit 2.  This individual shares two of the common HVR2 markers, 146 and 153, but did not test at the full sequence level.  Given what I’m seeing here, I suspect that 146 might be a sub-haplogroup defining mutation for this light purple group.  In addition, 8027 and 12007 might be as well.  That includes everyone (who has tested at the relevant levels) except for Kit 1 and Kit 11.

Haplogroup A4 from Colombia is most likely Native.  Few people are in the public data bases are from Colombia.  One would expect several mutations to have occurred as groups migrated.  At the HVR1 level, this individual has 18 matches, most of which have Spanish surnames.  This participant has no HVR2 matches.

A4 – California Group

The next group is the apricot group which I’ve nicknamed the California group.  Both of these participants, Kit 3 and Kit 4, find their ancestors in either southern California or Baja California, into Mexico.  Finding these haplogroups among the Mexican, Central and South American populations is an indicator of Native heritage, as between 85% and 90% of Mexicans carry Native American matrilineal lineage.

These participants also match a third individual who is not a project member whose ancestor is also found in Baja California.  This group’s defining mutations are likely 16209C, 5054T, 7604A, 7861C and 12513G.  Fortunately, these will be relatively easy to discern due to the HVR1 mutation at 16209.

A4 – Puerto Rico Group

The dark purple group, Kits 5-9, is the Puerto Rican group even though it includes one kit from Mexico and one from Cuba.  The Mexican kit, Kit 5, in teal, is only a partial match.  Kits 6-9 match each other plus several additional people not in the project whose most distant ancestors are found in Puerto Rico as well.  This group has several defining markers including 16083T, 16256T, 214G, 2836T, 6632C and possibly 16126C, although Kit 5 carries 16126C while Kit 9 does not.

The Puerto Rico DNA project has another 18 individuals classified as haplogroup A or A4 and they all carry 16083T, 16256T and those who have taken the HVR2 test (10) carry 214G as well.  Only one carries 16126C, so that would not be a defining mutation for this major group, but could be for a subgroup of the Puerto Rico group.

Given the history of Puerto Rico, this is probably a signature of the Taino or Carib people.

In 2003, 27 Taino DNA sequences were obtained from pre-Columbian remains and reported in this paper by Laluezo-Fox et al.  This was very early in DNA processing, especially of remains, and they were found to carry only haplogroups C and D.  These remains were not from the islands, but were from the La Caleta site in the Dominican Republic.

The Taino today are considered to be culturally extinct due to disease, enslavement and harsh treatment by the Spanish, but they maintained their presence into the 20th century and were a significant factor in the population of the West Indies, including Puerto Rico.  Their descendants would be expected to be found within the population today.  The Taino were the primary tribe found on Puerto Rico and were an Arawak indigenous people who arrived from South America.  The Taino were in conflict with the Caribs from the southern Lesser Antilles.

Carib women were sometimes taken as captives by the Taino.  The Caribs originated in South American near the Orinoco River and settled on the islands around 1200AD, after the Taino were already settled in the region.

It’s therefore possible that haplogroup A4 is a Carib signature.  In 2001, Martinez-Cruzaco et al published a paper titled Mitochondrial DNA analysis reveals substantial Native American ancestry in Puerto Rico in which they found that haplogroup A was absent in the Taino by testing the Yanomama whose territory was close to the Taino.  If this is the case, then haplogroup A must have arisen and admixed from another native culture, or, conversely, the Yanomama tested were an incomplete sampling or simply not adequately representative as a proxy for the Taino.  However, if haplogroup A4 is not found in the Taino, the most likely candidate would be the Caribs, assuming that the Martinez-Cruzaco paper conclusions are accurate, or the even older Ortoiroid, Saladoid culture or Arawak tribe who are believed to have assimilated with or were actually another name for the Taino.

A4 – Mexican/Puerto Rican Mutation 16126 Group

This group, Kits 5-8, is defined by mutation 16126C.  It’s quite interesting, because it includes Kit 5 that does not match the rest of the Puerto Rican markers.  Only some Puerto Rican samples carry 16126C.  Kits 5-8 in this the A4 project do carry this mutation, but 18 of the haplogroup A kits in the Puerto Rican project which do carry the dark purple signature mutations do not carry this mutation.  This mutation may be a later mutation in some of the people who settled on Puerto Rico and some of which remained on the mainland.  The most distant ancestor of Kit 5 is from Tangancícuaro de Arista, Michoacan de Ocampo, shown below.

Tangancícuaro de Arista, Michoacan de Ocampo

Kit 5 has five full sequence matches, all of which carry Spanish surnames.

A4 Outliers

This leaves only kits 10-14.  These kits don’t match each other but do fall, at least on some markers, within the light purple group.

Kit 12 is from Costa Rica and has no matches at the HVR1 level because of a mutation at location 16086C, but has not tested at the HVR2 or full sequence levels.   They might fit into a group easily with additional testing.

Kit 13 is from Mexico and has only two HVR1 matches who have not tested at a higher level.  This kit, like Kit 5, does not carry mutation 16111T which could indicate an early split from the main group or a back mutation.

Kit 10 is from Mexico, has 17 HVR1 matches, some of which indicate that their ancestors are from Texas and Mexico.  Kit 10 has no HVR2 or full sequence matches.

Kit 11 is from Honduras and interestingly, has 158 HVR1 matches to a wide variety of people including those from Costa Rica, Mexico, South Carolina, Oklahoma, a descendant of a Crow Tribal member, North Dakota, Guatemaula, the Cree/Chippewa, a descendant of an Arikawa and one person who indicated their oldest ancestor is from Aragon, in Spain.  This means that all of these people carry the light purple group defining 16111T mutation.

Kit 14 is from Honduras and has only two matches at the HVR1 level, one which is from El Salvador.  Both of the matches have only tested to the HVR1 level.  Kit 14 does carry the 16111T mutation as well as most of the other light purple mutations, but is missing mutation 164C which is present in the entire rest of the light purple group.  This could signify a back mutation.  In addition, Kit 14 matches on marker 16189T with kit 6 from Puerto Rico and on 16311C with Kit 1 from Virginia, but with no other participants on these markers.

These people and their matches and mutations could well represent additional subgroups of haplogroup A4

A4a1

This leaves us with the A4a1 subgroup, which is where I started 18 months ago.

The haplogroup A4a1 group is very interesting, albeit not for the reasons I initially anticipated.  Again, the same columns were deleted as noted in A4, above, leaving only columns (mutations) unique to this group.  As with the other subgroups, these are likely sub-haplogroup defining mutations.

A4a1 mutations

Note:  na means not available, indicating that the participant did not test at that level

A4a1 Mexico

Kit 15, the pink individual did not take the HVR2 or full sequence test, but does not match any other participants at the HVR1 level.  This person’s maternal line is from Mexico.  Kit 15 could be Native and with additional testing could be a different subclade.

A4a1 European Group

The three yellow rows are positively confirmed from Europe.  Kits 1 and 2 do not match each other nor any other participants.

Kit 3 however, matches Kits 4-14.

Kits 3-14, all match each other at the HVR1 level.  One individual has not taken the HVR2 test and one has not taken the full sequence test, but otherwise, they also all match at the HVR2 and full sequence level.  Note that Kit 3 is also in the confirmed European group based on two sets of census documentation.

Within the group of participants comprising kits 3-14, several have oral history and some have circumstantial evidence suggesting Native ancestry, but not one has any documented proof, either in terms of their own ancestors being proven Native, their ancestor’s family members being proven Native, or the people they match being proven as Native.

Kit 3 states that their ancestor was born in England in 1838.  I verified that the 1880 census for New York City confirms that birth location of their ancestor.  The daughter’s mother’s birthplace is also noted to be England in the 1900 census.

Therefore, based on the fact that Kit 3 is proven to be English, according to the census, and this kit matches the rest of the group, Kits 4-14, at the HVR1, HVR2 and full sequence levels, it is very unlikely that this group is Native.

Kit 15, who does not match this group, but who has not tested above the HVR1 level, is the only likely exception and may be Native.  Full sequence testing would likely suggest a different or expanded subgroup of haplogroup A4a1.

Further documentation could add substantially to this information, but at this point, none has been forthcoming.

In Summary – The Layers of Haplogroup A4

Full sequence testing was absolutely essential in sorting through the various participant results.  As demonstrated, the full sequence results were not always what was expected.

When full sequence tested, one participant was determined to be Haplogroup A10, which is not a subgroup of A4.  Haplogroup A10 is indeterminate and could be Native but could also be European.  Additional A10 results will hopefully be forthcoming in the future which will resolve this question.

None of the haplogroup A4a1 participants provide any direct evidence of Native ancestry, with the possible exception of one A4a1 kit whose matrilineal ancestors are from Mexico and who has not tested at a higher level.  Three A4a1 participants have confirmed European ancestry and one of those participants matches most of the others.  A4a1, with possibly one exception, appears to be European.  The A4a1 participant whose ancestors are from Mexico does not match any of the other participants and could eventually be classified as a subhaplogroup.

Haplogroup A4 itself appears to be divided into multiple subgroups, several of which may eventually form new sub-haplogroups based on their clusters of mutations.

There is clearly a European and a Chinese A4 grouping.  The European group is broken into two subgroups, one of which is Jewish.

In the Americas, there are several A4 subgroups, including:

  • Virginia – indeterminate whether Native
  • Colombia – likely Native
  • California – likely Native
  • Puerto Rico (2 groups) – very likely Native

There are also 5 outliers who don’t match others within the group, hailing from:

  • Costa Rica – likely Native
  • Mexico (2) – likely Native
  • Honduras – matching several confirmed Native people in multiple tribes at the HVR1 level
  • Honduras – likely Native

A4 grid v2

Note: Undet, short for undetermined, means that the results could be Native or European but available evidence has not been able to differentiate between those alternatives today.

*A4 needs to be further divided into additional haplogroup subgroups.

Dedication

Obviously, a study of this complexity couldn’t be done without the many resources I’ve mentioned and probably some that I’ve forgotten.  I thank everyone who contributed and continues to contribute.  I also want to thank the people who contributed to the funding for participant testing.  We could not have done this without your contributions in combination with the discounts offered by Family Tree DNA.

However, the most important resource is the participants and their willingness to share – their DNA, their research and their family stories.  During this project, two of our participants have passed away.  I would like to take this opportunity to dedicate this research to them, and I hope they know that their DNA keeps on giving.  This is their legacy.

Acknowledgements

I would like to thank Ian Logan for his assistance with haplogroup designation, Family Tree DNA for testing support and discounts, my project co-administrator, Marie Rundquist, Bennett Greenspan, Dr. Michelle Fiedler and Dr. David Pike for paper review.

Haplogroups and The Three Brothers

3 brothers group

Do you remember when you first started working with genealogy and you encountered your first “three brothers” story?

For those of you who don’t have one, it goes like this:

There were three brothers who came to <fill in the location.>  They had an argument about <a woman, religion, where to settle, other> and they all three went in different directions, never to see each other or speak again.

Well, of course, that might have happened and it probably did from time to time, but not nearly as often as the story would have you believe.

In my case, I had several “three brother” stories and even a “seven brother” story.  Even as a novice genealogist, I began to get suspicious when I heard the third or fourth story and they all seemed eerily similar.  Too similar.  Too convenient.

Enter the age of DNA testing.  Many of the three brothers stories seem to stem from three men with the same surname found in different or sometimes not-so-distant locations whose ancestries could not be tied nearly together, so surely someone said, “well they must have been three brothers who went different ways” and from that the “three brothers “ myth was born, to take on an entire life of its own.

But then, there are the stories that are real.  In some cases, the DNA testing does prove that those men descended from a common ancestor.  Of course, we can’t ever prove that they were brothers by their descendants DNA testing today.  We can only prove that they weren’t, if their Y DNA doesn’t match.

Recently, someone asked me a very basic DNA question, and the answer that came to mind was, “well, there were three brothers, you see…..”

The question was: “How can one haplogroup have descendants on different continents?

For example, how can a specific haplogroup include people who are Asian, European and Native American.

Let’s take a look at how that works.  It’s a lot like a pedigree chart.  In fact, it’s exactly the same.

There isn’t a haplogroup Z Y-DNA haplogroup, so let’s use that as a hypothetical example.  This example is equally applicable to mitochondrial DNA as well.

3 brothers

In our example, haplogroup Z was born a very long time ago, let’s say 30,000 or 40,000 years ago in Eurasia – we don’t know where and it doesn’t matter.

Haplogroup Z had two sons, and each one had a mutation different from the father, haplogroup Z, so the sons were named haplogroups Z1 and Z2.  One liked the hill to the west and one liked the river to the east, so they settled in opposite directions from their father.

Over time, the families and descendants of these two sons expanded until they had to move to new ground in order to have enough game to hunt.

Haplogroup Z1’s descendants had had two mutations as well.  One group, Z1a, went to Siberia and one group, Z1b went to China – or what is today China.

On the other hand, haplogroup Z2’s descendants also had two mutations that set their lines apart from each other.  One of these, Z2c went to what is now Europe and one, Z2d, went north to Scandinavia.

You can see as you look on out to the fourth generation that haplogroup Z1a, in Siberia had two sons with mutations.  Z1a1 went to Russia and Z1a2 crossed into Beringia, following game, and eventually would settle in North America.

Z1a2 then had two sons as well, both with mutations.  One of those, Z1a2a, traveled across the north and today his descendants are found primarily in eastern Canada and the US.

Now here’s the important part.  Z1a2a is known ONLY as Native American, because that mutation happened here, in the New World, and is not found in either Europe or Asia.  Z1a2b is also only Native American, found primarily in South America because that son followed the western coastline instead of traveling east cross country.

On the other hand, haplogroup Z1a2 might be found in BOTH Asia and the New World if it was born in Siberia but then migrated to the New World.  Some carriers might be found in both places, so if found in the New World, it likely indicates Native American, and yet it is also found in Siberia.  It is not found in other parts of the world though.

You can see that while the base haplogroup Z is today found worldwide, as defined by its subgroups, the subgroups themselves tend to be localized to specific regions.  You can also begin to see why determining locations of the birth of haplogroups is so difficult.  Europe is one big melting pot, and so is the UK, the US, Canada, Australia and New Zealand.

We, as the genetic genealogy community, are still trying to sort through this, which is why you see new haplogroup subgroup designations on nearly a daily basis.  The Y tree changes almost hourly (thanks to advanced tests like the Big Y at Family Tree DNA) and the mitochondrial tree has had many additions in the past months and years, with more yet to come shortly as a result of ongoing research.

In the mitochondrial DNA world, haplogroups are still named in the pedigree type fashion.  For example, I’m J1c2f.  However, in the Y tree, the names became so unwieldy, some up to about 20 characters long, that the pedigree type name has been replaced by the defining mutation (SNP) for that haplogroup.  So, R1b1a2, the most common male haplogroup in Europe, is now referred to as R-M269.  Not as easy to tell the pedigree by looking, but much more meaningful, especially as branches are added and rearranged.  The SNP name assigned to the branch will never change, no matter where the branch is moved on the tree as more discoveries are made.

If a DNA participant only tests to the most basic of levels, they are only going to receive a rather basic haplogroup designation.  Let’s say, in our example, Z or Z1 or Z2.  Clearly, additional testing would be in order to figure out whether that individual is Native American or from Scandinavia.  And yes, we have exactly this situation in many of the Native American haplogroups – because all the Native American base haplogroups for Y DNA: C and Q, and for mitochondrial DNA: A, B, C, D, X and possibly M, were founded and born in Asia, thousands of years ago.

And yes, it seems they all had three siblings…..

2014 Top Genetic Genealogy Happenings – A Baker’s Dozen +1

It’s that time again, to look over the year that has just passed and take stock of what has happened in the genetic genealogy world.  I wrote a review in both 2012 and 2013 as well.  Looking back, these momentous happenings seem quite “old hat” now.  For example, both www.GedMatch.com and www.DNAGedcom.com, once new, have become indispensable tools that we take for granted.  Please keep in mind that both of these tools (as well as others in the Tools section, below) depend on contributions, although GedMatch now has a tier 1 subscription offering for $10 per month as well.

So what was the big news in 2014?

Beyond the Tipping Point

Genetic genealogy has gone over the tipping point.  Genetic genealogy is now, unquestionably, mainstream and lots of people are taking part.  From the best I can figure, there are now approaching or have surpassed three million tests or test records, although certainly some of those are duplicates.

  • 500,000+ at 23andMe
  • 700,000+ at Ancestry
  • 700,000+ at Genographic

The organizations above represent “one-test” companies.  Family Tree DNA provides various kinds of genetic genealogy tests to the community and they have over 380,000 individuals with more than 700,000 test records.

In addition to the above mentioned mainstream firms, there are other companies that provide niche testing, often in addition to Family Tree DNA Y results.

In addition, there is what I would refer to as a secondary market for testing as well which certainly attracts people who are not necessarily genetic genealogists but who happen across their corporate information and decide the test looks interesting.  There is no way of knowing how many of those tests exist.

Additionally, there is still the Sorenson data base with Y and mtDNA tests which reportedly exceeded their 100,000 goal.

Spencer Wells spoke about the “viral spread threshold” in his talk in Houston at the International Genetic Genealogy Conference in October and terms 2013 as the year of infection.  I would certainly agree.

spencer near term

Autosomal Now the New Normal

Another change in the landscape is that now, autosomal DNA has become the “normal” test.  The big attraction to autosomal testing is that anyone can play and you get lots of matches.  Earlier in the year, one of my cousins was very disappointed in her brother’s Y DNA test because he only had a few matches, and couldn’t understand why anyone would test the Y instead of autosomal where you get lots and lots of matches.  Of course, she didn’t understand the difference in the tests or the goals of the tests – but I think as more and more people enter the playground – percentagewise – fewer and fewer do understand the differences.

Case in point is that someone contacted me about DNA and genealogy.  I asked them which tests they had taken and where and their answer was “the regular one.”  With a little more probing, I discovered that they took Ancestry’s autosomal test and had no clue there were any other types of tests available, what they could tell him about his ancestors or genetic history or that there were other vendors and pools to swim in as well.

A few years ago, we not only had to explain about DNA tests, but why the Y and mtDNA is important.  Today, we’ve come full circle in a sense – because now we don’t have to explain about DNA testing for genealogy in general but we still have to explain about those “unknown” tests, the Y and mtDNA.  One person recently asked me, “oh, are those new?”

Ancient DNA

This year has seen many ancient DNA specimens analyzed and sequenced at the full genomic level.

The year began with a paper titled, “When Populations Collide” which revealed that contemporary Europeans carry between 1-4% of Neanderthal DNA most often associated with hair and skin color, or keratin.  Africans, on the other hand, carry none or very little Neanderthal DNA.

http://dna-explained.com/2014/01/30/neanderthal-genome-further-defined-in-contemporary-eurasians/

A month later, a monumental paper was published that detailed the results of sequencing a 12,500 Clovis child, subsequently named Anzick or referred to as the Anzick Clovis child, in Montana.  That child is closely related to Native American people of today.

http://dna-explained.com/2014/02/13/clovis-people-are-native-americans-and-from-asia-not-europe/

In June, another paper emerged where the authors had analyzed 8000 year old bones from the Fertile Crescent that shed light on the Neolithic area before the expansion from the Fertile Crescent into Europe.  These would be the farmers that assimilated with or replaced the hunter-gatherers already living in Europe.

http://dna-explained.com/2014/06/09/dna-analysis-of-8000-year-old-bones-allows-peek-into-the-neolithic/

Svante Paabo is the scientist who first sequenced the Neanderthal genome.  Here is a neanderthal mangreat interview and speech.  This man is so interesting.  If you have not read his book, “Neanderthal Man, In Search of Lost Genomes,” I strongly recommend it.

http://dna-explained.com/2014/07/22/finding-your-inner-neanderthal-with-evolutionary-geneticist-svante-paabo/

In the fall, yet another paper was released that contained extremely interesting information about the peopling and migration of humans across Europe and Asia.  This was just before Michael Hammer’s presentation at the Family Tree DNA conference, so I covered the paper along with Michael’s information about European ancestral populations in one article.  The take away messages from this are two-fold.  First, there was a previously undefined “ghost population” called Ancient North Eurasian (ANE) that is found in the northern portion of Asia that contributed to both Asian populations, including those that would become the Native Americans and European populations as well.  Secondarily, the people we thought were in Europe early may not have been, based on the ancient DNA remains we have to date.  Of course, that may change when more ancient DNA is fully sequenced which seems to be happening at an ever-increasing rate.

http://dna-explained.com/2014/10/21/peopling-of-europe-2014-identifying-the-ghost-population/

Lazaridis tree

Ancient DNA Available for Citizen Scientists

If I were to give a Citizen Scientist of the Year award, this year’s award would go unquestionably to Felix Chandrakumar for his work with the ancient genome files and making them accessible to the genetic genealogy world.  Felix obtained the full genome files from the scientists involved in full genome analysis of ancient remains, reduced the files to the SNPs utilized by the autosomal testing companies in the genetic genealogy community, and has made them available at GedMatch.

http://dna-explained.com/2014/09/22/utilizing-ancient-dna-at-gedmatch/

If this topic is of interest to you, I encourage you to visit his blog and read his many posts over the past several months.

https://plus.google.com/+FelixChandrakumar/posts

The availability of these ancient results set off a sea of comparisons.  Many people with Native heritage matched Anzick’s file at some level, and many who are heavily Native American, particularly from Central and South America where there is less admixture match Anzick at what would statistically be considered within a genealogical timeframe.  Clearly, this isn’t possible, but it does speak to how endogamous populations affect DNA, even across thousands of years.

http://dna-explained.com/2014/09/23/analyzing-the-native-american-clovis-anzick-ancient-results/

Because Anzick is matching so heavily with the Mexican, Central and South American populations, it gives us the opportunity to extract mitochondrial DNA haplogroups from the matches that either are or may be Native, if they have not been recorded before.

http://dna-explained.com/2014/09/23/analyzing-the-native-american-clovis-anzick-ancient-results/

Needless to say, the matches of these ancient kits with contemporary people has left many people questioning how to interpret the results.  The answer is that we don’t really know yet, but there is a lot of study as well as speculation occurring.  In the citizen science community, this is how forward progress is made…eventually.

http://dna-explained.com/2014/09/25/ancient-dna-matches-what-do-they-mean/

http://dna-explained.com/2014/09/30/ancient-dna-matching-a-cautionary-tale/

More ancient DNA samples for comparison:

http://dna-explained.com/2014/10/04/more-ancient-dna-samples-for-comparison/

A Siberian sample that also matches the Malta Child whose remains were analyzed in late 2013.

http://dna-explained.com/2014/11/12/kostenki14-a-new-ancient-siberian-dna-sample/

Felix has prepared a list of kits that he has processed, along with their GedMatch numbers and other relevant information, like gender, haplogroup(s), age and location of sample.

http://www.y-str.org/p/ancient-dna.html

Furthermore, in a collaborative effort with Family Tree DNA, Felix formed an Ancient DNA project and uploaded the ancient autosomal files.  This is the first time that consumers can match with Ancient kits within the vendor’s data bases.

https://www.familytreedna.com/public/Ancient_DNA

Recently, GedMatch added a composite Archaic DNA Match comparison tool where your kit number is compared against all of the ancient DNA kits available.  The output is a heat map showing which samples you match most closely.

gedmatch ancient heat map

Indeed, it has been a banner year for ancient DNA and making additional discoveries about DNA and our ancestors.  Thank you Felix.

Haplogroup Definition

That SNP tsunami that we discussed last year…well, it made landfall this year and it has been storming all year long…in a good way.  At least, ultimately, it will be a good thing.  If you asked the haplogroup administrators today about that, they would probably be too tired to answer – as they’ve been quite overwhelmed with results.

The Big Y testing has been fantastically successful.  This is not from a Family Tree DNA perspective, but from a genetic genealogy perspective.  Branches have been being added to and sawed off of the haplotree on a daily basis.  This forced the renaming of the haplogroups from the old traditional R1b1a2 to R-M269 in 2012.  While there was some whimpering then, it would be nothing like the outright wailing now that would be occurring as haplogroup named reached 20 or so digits.

Alice Fairhurst discussed the SNP tsunami at the DNA Conference in Houston in October and I’m sure that the pace hasn’t slowed any between now and then.  According to Alice, in early 2014, there were 4115 individual SNPs on the ISOGG Tree, and as of the conference, there were 14,238 SNPs, with the 2014 addition total at that time standing at 10,213.  That is over 1000 per month or about 35 per day, every day.

Yes, indeed, that is the definition of a tsunami.  Every one of those additions requires one of a number of volunteers, generally haplogroup project administrators to evaluate the various Big Y results, the SNPs and novel variants included, where they need to be inserted in the tree and if branches need to be rearranged.  In some cases, naming request for previously unknown SNPs also need to be submitted.  This is all done behind the scenes and it’s not trivial.

The project I’m closest to is the R1b L-21 project because my Estes males fall into that group.  We’ve tested several, and I’ll be writing an article as soon as the final test is back.

The tree has grown unbelievably in this past year just within the L21 group.  This project includes over 700 individuals who have taken the Big Y test and shared their results which has defined about 440 branches of the L21 tree.  Currently there are almost 800 kits available if you count the ones on order and the 20 or so from another vendor.

Here is the L21 tree in January of 2014

L21 Jan 2014 crop

Compare this with today’s tree, below.

L21 dec 2014

Michael Walsh, Richard Stevens, David Stedman need to be commended for their incredible work in the R-L21 project.  Other administrators are doing equivalent work in other haplogroup projects as well.  I big thank you to everyone.  We’d be lost without you!

One of the results of this onslaught of information is that there have been fewer and fewer academic papers about haplogroups in the past few years.  In essence, by the time a paper can make it through the peer review cycle and into publication, the data in the paper is often already outdated relative to the Y chromosome.  Recently a new paper was released about haplogroup C3*.  While the data is quite valid, the authors didn’t utilize the new SNP naming nomenclature.  Before writing about the topic, I had to translate into SNPese.  Fortunately, C3* has been relatively stable.

http://dna-explained.com/2014/12/23/haplogroup-c3-previously-believed-east-asian-haplogroup-is-proven-native-american/

10th Annual International Conference on Genetic Genealogy

The Family Tree DNA International Conference on Genetic Genealogy for project administrators is always wonderful, but this year was special because it was the 10th annual.  And yes, it was my 10th year attending as well.  In all these years, I had never had a photo with both Max and Bennett.  Everyone is always so busy at the conferences.  Getting any 3 people, especially those two, in the same place at the same time takes something just short of a miracle.

roberta, max and bennett

Ten years ago, it was the first genetic genealogy conference ever held, and was the only place to obtain genetic genealogy education outside of the rootsweb genealogy DNA list, which is still in existence today.  Family Tree DNA always has a nice blend of sessions.  I always particularly appreciate the scientific sessions because those topics generally aren’t covered elsewhere.

http://dna-explained.com/2014/10/11/tenth-annual-family-tree-dna-conference-opening-reception/

http://dna-explained.com/2014/10/12/tenth-annual-family-tree-dna-conference-day-2/

http://dna-explained.com/2014/10/13/tenth-annual-family-tree-dna-conference-day-3/

http://dna-explained.com/2014/10/15/tenth-annual-family-tree-dna-conference-wrapup/

Jennifer Zinck wrote great recaps of each session and the ISOGG meeting.

http://www.ancestorcentral.com/decennial-conference-on-genetic-genealogy/

http://www.ancestorcentral.com/decennial-conference-on-genetic-genealogy-isogg-meeting/

http://www.ancestorcentral.com/decennial-conference-on-genetic-genealogy-sunday/

I thank Family Tree DNA for sponsoring all 10 conferences and continuing the tradition.  It’s really an amazing feat when you consider that 15 years ago, this industry didn’t exist at all and wouldn’t exist today if not for Max and Bennett.

Education

Two educational venues offered classes for genetic genealogists and have made their presentations available either for free or very reasonably.  One of the problems with genetic genealogy is that the field is so fast moving that last year’s session, unless it’s the very basics, is probably out of date today.  That’s the good news and the bad news.

http://dna-explained.com/2014/11/12/genetic-genealogy-ireland-2014-presentations 

http://dna-explained.com/2014/09/26/educational-videos-from-international-genetic-genealogy-conference-now-available/

In addition, three books have been released in 2014.emily book

In January, Emily Aulicino released Genetic Genealogy, The Basics and Beyond.

richard hill book

In October, Richard Hill released “Guide to DNA Testing: How to Identify Ancestors, Confirm Relationships and Measure Ethnicity through DNA Testing.”

david dowell book

Most recently, David Dowell’s new book, NextGen Genealogy: The DNA Connection was released right after Thanksgiving.

 

Ancestor Reconstruction – Raising the Dead

This seems to be the year that genetic genealogists are beginning to reconstruct their ancestors (on paper, not in the flesh) based on the DNA that the ancestors passed on to various descendants.  Those segments are “gathered up” and reassembled in a virtual ancestor.

I utilized Kitty Cooper’s tool to do just that.

http://dna-explained.com/2014/10/03/ancestor-reconstruction/

henry bolton probablyI know it doesn’t look like much yet but this is what I’ve been able to gather of Henry Bolton, my great-great-great-grandfather.

Kitty did it herself too.

http://blog.kittycooper.com/2014/08/mapping-an-ancestral-couple-a-backwards-use-of-my-segment-mapper/

http://blog.kittycooper.com/2014/09/segment-mapper-tool-improvements-another-wold-dna-map/

Ancestry.com wrote a paper about the fact that they have figured out how to do this as well in a research environment.

http://corporate.ancestry.com/press/press-releases/2014/12/ancestrydna-reconstructs-partial-genome-of-person-living-200-years-ago/

http://www.thegeneticgenealogist.com/2014/12/16/ancestrydna-recreates-portions-genome-david-speegle-two-wives/

GedMatch has created a tool called, appropriately, Lazarus that does the same thing, gathers up the DNA of your ancestor from their descendants and reassembles it into a DNA kit.

Blaine Bettinger has been working with and writing about his experiences with Lazarus.

http://www.thegeneticgenealogist.com/2014/10/20/finally-gedmatch-announces-monetization-strategy-way-raise-dead/

http://www.thegeneticgenealogist.com/2014/12/09/recreating-grandmothers-genome-part-1/

http://www.thegeneticgenealogist.com/2014/12/14/recreating-grandmothers-genome-part-2/

Tools

Speaking of tools, we have some new tools that have been introduced this year as well.

Genome Mate is a desktop tool used to organize data collected by researching DNA comparsions and aids in identifying common ancestors.  I have not used this tool, but there are others who are quite satisfied.  It does require Microsoft Silverlight be installed on your desktop.

The Autosomal DNA Segment Analyzer is available through www.dnagedcom.com and is a tool that I have used and found very helpful.  It assists you by visually grouping your matches, by chromosome, and who you match in common with.

adsa cluster 1

Charting Companion from Progeny Software, another tool I use, allows you to colorize and print or create pdf files that includes X chromosome groupings.  This greatly facilitates seeing how the X is passed through your ancestors to you and your parents.

x fan

WikiTree is a free resource for genealogists to be able to sort through relationships involving pedigree charts.  In November, they announced Relationship Finder.

Probably the best example I can show of how WikiTree has utilized DNA is using the results of King Richard III.

wiki richard

By clicking on the DNA icon, you see the following:

wiki richard 2

And then Richard’s Y, mitochondrial and X chromosome paths.

wiki richard 3

Since Richard had no descendants, to see how descendants work, click on his mother, Cecily of York’s DNA descendants and you’re shown up to 10 generations.

wiki richard 4

While this isn’t terribly useful for Cecily of York who lived and died in the 1400s, it would be incredibly useful for finding mitochondrial descendants of my ancestor born in 1802 in Virginia.  I’d love to prove she is the daughter of a specific set of parents by comparing her DNA with that of a proven daughter of those parents!  Maybe I’ll see if I can find her parents at WikiTree.

Kitty Cooper’s blog talks about additional tools.  I have used Kitty’s Chromosome mapping tools as discussed in ancestor reconstruction.

Felix Chandrakumar has created a number of fun tools as well.  Take a look.  I have not used most of these tools, but there are several I’ll be playing with shortly.

Exits and Entrances

With very little fanfare, deCODEme discontinued their consumer testing and reminded people to download their date before year end.

http://dna-explained.com/2014/09/30/decodeme-consumer-tests-discontinued/

I find this unfortunate because at one time, deCODEme seemed like a company full of promise for genetic genealogy.  They failed to take the rope and run.

On a sad note, Lucas Martin who founded DNA Tribes unexpectedly passed away in the fall.  DNA Tribes has been a long-time player in the ethnicity field of genetic genealogy.  I have often wondered if Lucas Martin was a pseudonym, as very little information about Lucas was available, even from Lucas himself.  Neither did I find an obituary.  Regardless, it’s sad to see someone with whom the community has worked for years pass away.  The website says that they expect to resume offering services in January 2015. I would be cautious about ordering until the structure of the new company is understood.

http://www.dnatribes.com/

In the last month, a new offering has become available that may be trying to piggyback on the name and feel of DNA Tribes, but I’m very hesitant to provide a link until it can be determined if this is legitimate or bogus.  If it’s legitimate, I’ll be writing about it in the future.

However, the big news exit was Ancestry’s exit from the Y and mtDNA testing arena.  We suspected this would happen when they stopped selling kits, but we NEVER expected that they would destroy the existing data bases, especially since they maintain the Sorenson data base as part of their agreement when they obtained the Sorenson data.

http://dna-explained.com/2014/10/02/ancestry-destroys-irreplaceable-dna-database/

The community is still hopeful that Ancestry may reverse that decision.

Ancestry – The Chromosome Browser War and DNA Circles

There has been an ongoing battle between Ancestry and the more seasoned or “hard-core” genetic genealogists for some time – actually for a long time.

The current and most long-standing issue is the lack of a chromosome browser, or any similar tools, that will allow genealogists to actually compare and confirm that their DNA match is genuine.  Ancestry maintains that we don’t need it, wouldn’t know how to use it, and that they have privacy concerns.

Other than their sessions and presentations, they had remained very quiet about this and not addressed it to the community as a whole, simply saying that they were building something better, a better mousetrap.

In the fall, Ancestry invited a small group of bloggers and educators to visit with them in an all-day meeting, which came to be called DNA Day.

http://dna-explained.com/2014/10/08/dna-day-with-ancestry/

In retrospect, I think that Ancestry perceived that they were going to have a huge public relations issue on their hands when they introduced their new feature called DNA Circles and in the process, people would lose approximately 80% of their current matches.  I think they were hopeful that if they could educate, or convince us, of the utility of their new phasing techniques and resulting DNA Circles feature that it would ease the pain of people’s loss in matches.

I am grateful that they reached out to the community.  Some very useful dialogue did occur between all participants.  However, to date, nothing more has happened nor have we received any additional updates after the release of Circles.

Time will tell.

http://dna-explained.com/2014/11/18/in-anticipation-of-ancestrys-better-mousetrap/

http://dna-explained.com/2014/11/19/ancestrys-better-mousetrap-dna-circles/

DNA Circles 12-29-2014

DNA Circles, while interesting and somewhat useful, is certainly NOT a replacement for a chromosome browser, nor is it a better mousetrap.

http://dna-explained.com/2014/11/30/chromosome-browser-war/

In fact, the first thing you have to do when you find a DNA Circle that you have not verified utilizing raw data and/or chromosome browser tools from either 23andMe, Family Tree DNA or Gedmatch, is to talk your matches into transferring their DNA to Family Tree DNA or download to Gedmatch, or both.

http://dna-explained.com/2014/11/27/sarah-hickerson-c1752-lost-ancestor-found-52-ancestors-48/

I might add that the great irony of finding the Hickerson DNA Circle that led me to confirm that ancestry utilizing both Family Tree DNA and GedMatch is that today, when I checked at Ancestry, the Hickerson DNA Circle is no longer listed.  So, I guess I’ve been somehow pruned from the circle.  I wonder if that is the same as being voted off of the island.  So, word to the wise…check your circles often…they change and not always in the upwards direction.

The Seamy Side – Lies, Snake Oil Salesmen and Bullys

Unfortunately a seamy side, an underbelly that’s rather ugly has developed in and around the genetic genealogy industry.  I guess this was to be expected with the rapid acceptance and increasing popularity of DNA testing, but it’s still very unfortunate.

Some of this I expected, but I didn’t expect it to be so…well…blatant.

I don’t watch late night TV, but I’m sure there are now DNA diets and DNA dating and just about anything else that could be sold with the allure of DNA attached to the title.

I googled to see if this was true, and it is, although I’m not about to click on any of those links.

google dna dating

google dna diet

Unfortunately, within the ever-growing genetic genealogy community a rather large rift has developed over the past couple of years.  Obviously everyone can’t get along, but this goes beyond that.  When someone disagrees, a group actively “stalks” the person, trying to cost them their employment, saying hate filled and untrue things and even going so far as to create a Facebook page titled “Against<personname>.”  That page has now been removed, but the fact that a group in the community found it acceptable to create something like that, and their friends joined, is remarkable, to say the least.  That was accompanied by death threats.

Bullying behavior like this does not make others feel particularly safe in expressing their opinions either and is not conducive to free and open discussion. As one of the law enforcement officers said, relative to the events, “This is not about genealogy.  I don’t know what it is about, yet, probably money, but it’s not about genealogy.”

Another phenomenon is that DNA is now a hot topic and is obviously “selling.”  Just this week, this report was published, and it is, as best we can tell, entirely untrue.

http://worldnewsdailyreport.com/usa-archaeologists-discover-remains-of-first-british-settlers-in-north-america/

There were several tip offs, like the city (Lanford) and county (Laurens County) is not in the state where it is attributed (it’s in SC not NC), and the name of the institution is incorrect (Johns Hopkins, not John Hopkins).  Additionally, if you google the name of the magazine, you’ll see that they specialize in tabloid “faux reporting.”  It also reads a lot like the King Richard genuine press release.

http://urbanlegends.about.com/od/Fake-News/tp/A-Guide-to-Fake-News-Websites.01.htm

Earlier this year, there was a bogus institutional site created as well.

On one of the DNA forums that I frequent, people often post links to articles they find that are relevant to DNA.  There was an interesting article, which has now been removed, correlating DNA results with latitude and altitude.  I thought to myself, I’ve never heard of that…how interesting.   Here’s part of what the article said:

Researchers at Aberdeen College’s Havering Centre for Genetic Research have discovered an important connection between our DNA and where our ancestors used to live.

Tiny sequence variations in the human genome sometimes called Single Nucleotide Polymorphisms (SNPs) occur with varying frequency in our DNA.  These have been studied for decades to understand the major migrations of large human populations.  Now Aberdeen College’s Dr. Miko Laerton and a team of scientists have developed pioneering research that shows that these differences in our DNA also reveal a detailed map of where our own ancestors lived going back thousands of years.

Dr. Laerton explains:  “Certain DNA sequence variations have always been important signposts in our understanding of human evolution because their ages can be estimated.  We’ve known for years that they occur most frequently in certain regions [of DNA], and that some alleles are more common to certain geographic or ethnic groups, but we have never fully understood the underlying reasons.  What our team found is that the variations in an individual’s DNA correlate with the latitudes and altitudes where their ancestors were living at the time that those genetic variations occurred.  We’re still working towards a complete understanding, but the knowledge that sequence variations are connected to latitude and altitude is a huge breakthrough by itself because those are enough to pinpoint where our ancestors lived at critical moments in history.”

The story goes on, but at the bottom, the traditional link to the publication journal is found.

The full study by Dr. Laerton and her team was published in the September issue of the Journal of Genetic Science.

I thought to myself, that’s odd, I’ve never heard of any of these people or this journal, and then I clicked to find this.

Aberdeen College bogus site

About that time, Debbie Kennett, DNA watchdog of the UK, posted this:

April Fools Day appears to have arrived early! There is no such institution as Aberdeen College founded in 1394. The University of Aberdeen in Scotland was founded in 1495 and is divided into three colleges: http://www.abdn.ac.uk/about/colleges-schools-institutes/colleges-53.php

The picture on the masthead of the “Aberdeen College” website looks very much like a photo of Aberdeen University. This fake news item seems to be the only live page on the Aberdeen College website. If you click on any other links, including the link to the so-called “Journal of Genetic Science”, you get a message that the website is experienced “unusually high traffic”. There appears to be no such journal anyway.

We also realized that Dr. Laerton, reversed, is “not real.”

I still have no idea why someone would invest the time and effort into the fake website emulating the University of Aberdeen, but I’m absolutely positive that their motives were not beneficial to any of us.

What is the take-away of all of this?  Be aware, very aware, skeptical and vigilant.  Stick with the mainstream vendors unless you realize you’re experimenting.

King Richard

King Richard III

The much anticipated and long-awaited DNA results on the remains of King Richard III became available with a very unexpected twist.  While the science team feels that they have positively identified the remains as those of Richard, the Y DNA of Richard and another group of men supposed to have been descended from a common ancestor with Richard carry DNA that does not match.

http://dna-explained.com/2014/12/09/henry-iii-king-of-england-fox-in-the-henhouse-52-ancestors-49/

http://dna-explained.com/2014/12/05/mitochondrial-dna-mutation-rates-and-common-ancestors/

Debbie Kennett wrote a great summary article.

http://cruwys.blogspot.com/2014/12/richard-iii-and-use-of-dna-as-evidence.html

More Alike than Different

One of the life lessons that genetic genealogy has held for me is that we are more closely related that we ever knew, to more people than we ever expected, and we are far more alike than different.  A recent paper recently published by 23andMe scientists documents that people’s ethnicity reflect the historic events that took place in the part of the country where their ancestors lived, such as slavery, the Trail of Tears and immigration from various worldwide locations.

23andMe European African map

From the 23andMe blog:

The study leverages samples of unprecedented size and precise estimates of ancestry to reveal the rate of ancestry mixing among American populations, and where it has occurred geographically:

  • All three groups – African Americans, European Americans and Latinos – have ancestry from Africa, Europe and the Americas.
  • Approximately 3.5 percent of European Americans have 1 percent or more African ancestry. Many of these European Americans who describe themselves as “white” may be unaware of their African ancestry since the African ancestor may be 5-10 generations in the past.
  • European Americans with African ancestry are found at much higher frequencies in southern states than in other parts of the US.

The ancestry proportions point to the different regional impacts of slavery, immigration, migration and colonization within the United States:

  • The highest levels of African ancestry among self-reported African Americans are found in southern states, especially South Carolina and Georgia.
  • One in every 20 African Americans carries Native American ancestry.
  • More than 14 percent of African Americans from Oklahoma carry at least 2 percent Native American ancestry, likely reflecting the Trail of Tears migration following the Indian Removal Act of 1830.
  • Among self-reported Latinos in the US, those from states in the southwest, especially from states bordering Mexico, have the highest levels of Native American ancestry.

http://news.sciencemag.org/biology/2014/12/genetic-study-reveals-surprising-ancestry-many-americans?utm_campaign=email-news-weekly&utm_source=eloqua

23andMe provides a very nice summary of the graphics in the article at this link:

http://blog.23andme.com/wp-content/uploads/2014/10/Bryc_ASHG2014_textboxes.pdf

The academic article can be found here:

http://www.cell.com/ajhg/home

2015

So what does 2015 hold? I don’t know, but I can’t wait to find out. Hopefully, it holds more ancestors, whether discovered through plain old paper research, cousin DNA testing or virtually raised from the dead!

What would my wish list look like?

  • More ancient genomes sequenced, including ones from North and South America.
  • Ancestor reconstruction on a large scale.
  • The haplotree becoming fleshed out and stable.
  • Big Y sequencing combined with STR panels for enhanced genealogical research.
  • Improved ethnicity reporting.
  • Mitochondrial DNA search by ancestor for descendants who have tested.
  • More tools, always more tools….
  • More time to use the tools!

Here’s wishing you an ancestor filled 2015!

 

Peopling of Europe 2014 – Identifying the Ghost Population

Beginning with the full sequencing of the Neanderthal genome, first published in May 2010 by the Max Planck Institute with Svante Paabo at the helm, and followed shortly thereafter with a Denisovan specimen, we began to unravel our ancient history.

neanderthal reconstructed

Neanderthal man, reconstructed at the National Museum of Nature and Science in Tokyo

The photo below shows a step in the process of extracting DNA from ancient bones at Max Planck.

planck extraction

Our Y and mitochondrial DNA haplogroups take us back thousands of years in time, but at some point, where and how people were settling and intermixing becomes fuzzy. Ancient DNA can put the people of that time and place in context.  We have discovered that current populations do not necessarily represent the ancient populations of a particular locale.

Recent information discovered from ancient burials tells us that the people of Europe descend from a 3 pronged model. Until recently, it was believed that Europeans descended from Paleolithic hunter-gatherers and Neolithic farmers, a two-pronged model.

Previously, it was believed that Europe was peopled by the ancient hunter-gatherers, the Paleolithic, who originally settled in Europe beginning about 45,000 years ago. At this time, the Neanderthal were already settled in Europe but weren’t considered to be anatomically modern humans, and it was believed, incorrectly, that the two groups did not interbreed.  These hunter-gatherers were the people who settled in Europe before the last major ice age, the Younger Dryas, taking refuge in the southern portions of Europe and Eurasia, and repeopling the continent after the ice receded, about 12,000 years ago.  By that time, the Neanderthals were gone, or as we now know, at least partially assimilated.

This graphic shows Europe during the last ice age.

ice age euripe

The second settlement wave, the agriculturalist farmers from the Near East either overran or integrated with the hunter-gatherers in the Neolithic period, depending on which theory you subscribe to, about 8000-10,000 years ago.

2012 – Ancient Northern European (ANE) Hints

Beginning in 2012, we began to see hints of a third lineage that contributed to the peopling of Europe as well, from the north. Buried in the 2012 paper, Estimating admixture proportions and dates with ADMIXTOOLS by Patterson et al, was a very interesting tidbit.  This new technique showed a third population, referred to by many as a “ghost population”, because no one knew who they were, that contributed to the European population.

patterson ane

The new population was termed Ancient North Eurasian, or ANE.

Dienekes covered this paper in his blog, but without additional information, in the community in general, there wasn’t much more than a yawn.

2013 – Mal’ta Child Stirs Excitement

The first real hint of meat on the bones of ANE came in the form of ancient DNA analysis of a 24,000 year old Siberian boy that has come to be named Mal’ta (Malta) Child. In the original paper, by Raghaven et al, Upper Palaeolithic Siberian genome reveals dual ancestry of Native Americans, he was referred to as MA-1.  I wrote about this in my article titled Native American Gene Flow – Europe?, Asia and the Americas.   Dienekes wrote about this paper as well.

This revelation caused quite a stir, because it was reported that the Ancestor of Native Americans in Asia was 30% Western Eurasian.  Unfortunately, in some cases, this was immediately interpreted to mean that Native Americans had come directly from Europe which is not what this paper said, nor inferred.  It was also inferred that the haplogroups of this child, R* (Y) and U (mtDNA) were Native American, which is also incorrect.  To date, there is no evidence for migration to the New World from Europe in ancient times, but that doesn’t mean we aren’t still looking for that evidence in early burials.

What this paper did show was that Europeans and Native Americans shared a common ancestor, and that the Siberian population had contributed to the European population as well as the Native American population.  In other words, descendants settled in both directions, east and west.

The most fascinating aspect of this paper was the match distribution map, below, showing which populations Malta child matched most closely.

malta child map

As you can see, MA-1, Malta Child, matches the Native American population most closely, followed by the northern European and Greenland populations. The further south in Europe and Asia, the more distant the matches and the darker the blue.

2013 – Michael Hammer and Haplogroup R

Last fall at the Family Tree DNA conference, Dr. Michael Hammer, from the Hammer Lab at the University of Arizona discussed new findings relative to ancient burials, specifically in relation to haplogroup R, or more specifically, the absence of haplogroup R in those early burials.

hammer 2013

hammer 2013-1

hammer 2013-2

hammer 2013-3

Based on the various theories and questions, ancient burials were enlightening.

hammer 2013-4

hammer 2013-5

In 2013, there were a total of 32 burials from the Neolithic period, after farmers arrived from the Near East, and haplogroup R did not appear. Instead, haplogroups G, I and E were found.

hammer 2013-7

What this tells us is that haplogroup R, as well as other haplogroup, weren’t present in Europe at this time. Having said this, these burials were in only 4 locations and, although unlikely, R could be found in other locations.

hammer 2-13-8

hammer 2013-9

hammer 2013-10

hammer 2013-11

Last year, Dr. Hammer concluded that haplogroup R was not found in the Paleolithic and likely arrived with the Neolithic farmers. That shook the community, as it had been widely believed that haplogroup R was one of the founding European haplogroups.

hammer 2013-12

While this provided tantalizing information, we still needed additional evidence. No paper has yet been published that addresses these findings.  The mass full sequencing of the Y chromosome over this past year with the introduction of the Big Y will provide extremely valuable information about the Y chromosome and eventually, the migration path into and across Europe.

2014 – Europe’s Three Ancient Tribes

In September 2014, another paper was published by Lazaridis et al that more fully defined this new ANE branch of the European human family tree.  An article in BBC News titled Europeans drawn from three ancient ‘tribes’ describes it well for the non-scientist.  Of particular interest in this article is the artistic rendering of the ancient individual, based on their genetic markers.  You’ll note that they had dark skin, dark hair and blue eyes, a rather unexpected finding.

In discussing the paper, David Reich from Harvard, one of the co-authors, said, “Prior to this paper, the models we had for European ancestry were two-way mixtures. We show that there are three groups. This also explains the recently discovered genetic connection between Europeans and Native Americans.  The same Ancient North Eurasian group contributed to both of them.”

The paper, Ancient human genomes suggest three ancestral populations for present-day Europeans, appeared as a letter in Nature and is behind a paywall, but the supplemental information is free.

The article summary states the following:

We sequenced the genomes of a ~7,000-year-old farmer from Germany and eight ~8,000-year-old hunter-gatherers from Luxembourg and Sweden. We analysed these and other ancient genomes1, 2, 3, 4 with 2,345 contemporary humans to show that most present-day Europeans derive from at least three highly differentiated populations: west European hunter-gatherers, who contributed ancestry to all Europeans but not to Near Easterners; ancient north Eurasians related to Upper Palaeolithic Siberians3, who contributed to both Europeans and Near Easterners; and early European farmers, who were mainly of Near Eastern origin but also harboured west European hunter-gatherer related ancestry. We model these populations’ deep relationships and show that early European farmers had ~44% ancestry from a ‘basal Eurasian’ population that split before the diversification of other non-African lineages.

This paper utilized ancient DNA from several sites and composed the following genetic contribution diagram that models the relationship of European to non-European populations.

Lazaridis tree

Present day samples are colored purple, ancient in red and reconstructed ancestral populations in green. Solid lines represent descent without admixture and dashed lines represent admixture.  WHG=western European hunter-gatherer, EEF=early European farmer and ANE=ancient north Eurasian

2014 – Michael Hammer on Europe’s Ancestral Population

For anyone interested in ancient DNA, 2014 has been a banner years. At the Family Tree DNA conference in Houston, Texas, Dr. Michael Hammer brought the audience up to date on Europe’s ancestral population, including the newly sequenced ancient burials and the information they are providing.

hammer 2014

hammer 2014-1

Dr. Hammer said that ancient DNA is the key to understanding the historical processes that led up to the modern. He stressed that we need to be careful inferring that the current DNA pattern is reflective of the past because so many layers of culture have occurred between then and now.

hammer 2014-2

Until recently, it was assumed that the genes of the Neolithic farmers replaced those of the Paleolithic hunter-gatherers. Ancient DNA is suggesting that this is not true, at least not on a wholesale level.

hammer 2014-3

The theory, of course, is that we should be able to see them today if they still exist. The migration and settlement pattern in the slide below was from the theory set forth in the 1990s.

hammer 2014-4

In 2013, Dr. Hammer discussed the theory that haplogroup R1b spread into Europe with the farmers from the Near East in the Neolithic. This year, he expanded upon that topic that based on the new findings from ancient burials.

hammer 2014-5

Last year, Dr. Hammer discussed 32 burials from 4 sites. Today, we have information from 15 ancient DNA sites and many of those remains have been full genome sequenced.

hammer 2014-6

Information from papers and recent research suggests that Europeans also have genes from a third source lineage, nicknamed the “ghost population of North Eurasia.”

hammer 2014-7

Scientists are finding a signal of northeast Asian related admixture in northern Europeans, first suggested in 2012.  This was confirmed with the sequencing of Malta child and then in a second sequencing of Afontova Gora2 in south central Siberia.

hammer 2014-8

We have complete genomes from nine ancient Europeans – Mesolithic hunter gatherers and Neothilic farmers. Hammer refers to the Mesolithic here, which is a time period between the Paleolithic (hunter gatherers with stone tools) and the Neolithic (farmers).

hammer 2014-9

In the PCA charts, shown above, you can see that Europeans and people from the Near East cluster separately, except for a bridge formed by a few Mediterranean and Jewish populations. On the slide below, the hunter-gatherers (WHG) and early farmers (EEF) have been overlayed onto the contemporary populations along with the MA-1 (Malta Child) and AG2 (Afontova Gora2) representing the ANE.

hammer 2014-10

When sequenced, separate groups formed including western hunter gathers and early european farmers include Otzi, the iceman.  A third group is the north south clinal variation with ANE contributing to northern European ancestry.  The groups are represented by the circles, above.

hammer 2014-11

hammer 2014-12

Dr. Hammer said that the team who wrote the “Ancient Human Genomes” paper just recently published used an F3 test, results shown above, which shows whether populations are an admixture of a reference population based on their entire genome. He mentioned that this technique goes well beyond PCA.

hammer 2014-13

Mapped onto populations today, most European populations are a combination of the three early groups. However, the ANE is not found in the ancient Paleolithic or Neolithic burials.  It doesn’t arrive until later.

hammer 2014-14

This tells us that there was a migration event 45,000 years ago from the Levant, followed about 7000 years ago by farmers from the Near East, and that ANE entered the population some time after that. All Europeans today carry some amount of ANE, but ancient burials do not.

These burials also show that southern Europe has more Neolithic farmer genes and northern Europe has more Paleolithic/Mesolithic hunter-gatherer genes.

hammer 2014-15

Pigmentation for light skin came with farmers – blue eyes existed in hunter gatherers even though their skin was dark.

hammer 2014-16

Dr. Hammer created these pie charts of the Y and mitochondrial haplogroups found in the ancient burials as compared to contemporary European haplogroups.

hammer 2014-17

The pie chart on the left shows the haplogroups of the Mesolithic burials, all haplogroup I2 and subclades. Note that in the current German population today, no I2a1b and no I1 was found.  The chart on the right shows current Germans where haplogroup I is a minority.

hammer 2014-18

Therefore, we can conclude that haplogroup I is a good candidate to be identified as a Paleolithic/Mesolithic haplogroup.

This information shows that the past is very different from today.

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In 2014 we have many more burials that have been sequenced than last year, as shown on the map above.

Green represents Neolithic farmers, red are Mesolithic hunter-gatherers, brown at bottom right represents more recent samples from the Metallic age.

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There are a total of 48 Neolithic burials where haplogroup G dominates. In the Mesolithic, there are a total of six haplogroup I.

This suggests that haplogroup I is a good candidate to be the father of the Paleolithic/Mesolithic and haplogroup G, the founding father of the Neolithic.

In addition to haplogroup G in the Neolithic, one sample of both E1b1b1 (M35) and C were also found in Spain.  E1b1b1 isn’t surprising given it’s north African genesis, but C was quite interesting.

The Metal ages, which according to wiki begin about 3300BC in Europe, is where haplogroup R, along with I1, first appear.

diffusion of metallurgy

Please note that the diffusion of melallurgy map above is not part of Dr. Hammer’s presentation. I have added it for clarification.

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Nothing is constant in Europe. The Y DNA was very upheaved, as indicated on the graphic above.  Mitochondrial DNA shifted from pre-Neolithic to Neolithic which isn’t terribly different from the present day.

Dr. Hammer did not say this, but looking at the Y versus the mtDNA haplogroups, I wonder if this suggests that indeed there was more of a replacement of the males in the population, but that the females were more widely assimilated. This would certainly make sense, especially if the invaders were warriors and didn’t have females with them.  They would have taken partners from the invaded population.

Haplogroup G represents the spread of farming into Europe.

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The most surprising revelation is that haplogroup R1b appears to have emerged after the Neolithic agriculture transition. Given that just three years ago we thought that haplogroup R1b was one of the original European settlers thousands of years ago, based on the prevalence of haplogroup R in Europe today, at about 50%, this is a surprising turn of events.  Last year’s revelation that R was maybe only 7000-8000 years old in Europe was a bit of a whammy, but the age of R in Europe in essence just got halved again and the source of R1b changed from the Near East to the Asian steppes.

Obviously, something conferred an advantage to these R1b men. Given that they arrived in the early Metalic age, was it weapons and chariots that enabled the R1b men who arrived to quickly become more than half of the population?

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The Bronze Age saw the first use of metal to create weapons. Warrior identity became a standard part of daily life.  Celts ranged over Europe and were the most dominant iron age warriors.  Indo-European languages and chariots arrived from Asia about this time.

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The map above shows the Hallstadt and LaTene Celtic cultures in Europe, about 600BC. This was not a slide presented by Dr. Hammer.

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Haplogroup R1b was not found in an ancient European context prior to a Bell Beaker period burial in Germany 4.8-4.0 kya (thousand years ago, i.e. 4,800-4,000 years ago).  R1b arrives about 4.6 kya and is also found in a Corded Ware culture burial in Germany.  A late introduction of these lineages which now predominate in Europe corresponds to the autosomal signal of the entry of Asian and Eastern European steppe invaders into western Europe.

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Local expansion occurred in Europe of R1b subgroups U106, L21 and U152.

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A current haplogroup R distribution map that reflects the findings of this past year is shown above.

Haplogroup I is interesting for another reason. It looks like haplogroup I2a1b (M423) may have been replaced by I1 which expanded after the Mesolithic.

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On the slide above, the Loschbour sample from Luxembourg was mapped onto a current haplogroup I SNP map where his closest match is a current day Russian.

One of the benefits of ancient DNA genome processing is that we will be able to map current trees into maps of old SNPs and be able to tell who we match most closely.

Autosomal DNA can also be mapped to see how much of our DNA is from which ancient population.

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Dr. Hammer mapped the percentages of European Mesolithic/Paleolithic hunter-gatherers in blue, Neolithic Farmers from the Near East in magenta and Asian Steppe Invaders representing ANE in yellow, over current populations. Note the ancient DNA samples at the top of the list.  None of the burials except for Malta Child carry any yellow, indicating that the ANE entered the European population with the steppe invaders; the same group that brought us haplogroup R and possibly I1.

Dr. Hammer says that ANE was introduced to and assimilated into the European population by one or more incursions. We don’t know today if ANE in Europeans is a result of a single blast event or multiple events.  He would like to do some model simulations and see if it is related to timing and arrival of swords and chariots.

We know too that there are more recent incursions, because we’re still missing major haplogroups like J.

The further east you go, meaning the closer to the steppes and Volga region, the less well this fits the known models. In other words, we still don’t have the whole story.

At the end of the presentation, Michael was asked if the whole genomes sequenced are also obtaining Y STR data, which would allow us to compare our results on an individual versus a haplogroup level. He said he didn’t know, but he would check.

Family Tree DNA was asked if they could show a personal ancient DNA map in myOrigins, perhaps as an alternate view. Bennett took a vote and that seemed pretty popular, which he interpreted as a yes, we’d like to see that.

In Summary

The advent of and subsequent drop in the price of whole genome sequencing combined with the ability to extract ancient DNA and piece it back together have provided us with wonderful opportunities.  I think this is jut the proverbial tip of the iceberg, and I can’t wait to learn more.

If you are interested in other articles I’ve written about ancient DNA, check out these links: