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Thread: Odd Geno 2.0 Results for McElrea

  1. #1
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    Odd Geno 2.0 Results for McElrea

    I received my Geno 2.0 results today. The Paternal and Maternal results duplicated FTDNA's (except, of course Geno 2.0 doesn't refine L21 down to DF49), but the "Who Am I" results seemed a bit odd. They show me as 42% Northern European, 37% Mediterranean, and 19% Southwest Asian.

    Using the above breakdown, they give my first reference population as German (which is relatively close) and my second reference population as Greek (which is not so close). Here's the thing. My father is Northern Irish-- and all of his ancestors are Northern Irish-- as far back as our records go (1750 AD). The jury is out as to whether or not his paternal line is Scottish or Native Irish, but most of the autosomal DNA would be of Scots derivation. My mother is Native Irish/English, again, as far back as the records go. How do I end up being matched to German reference groups and (to a lesser extent) Greek reference groups?

    I appreciate any insight from those who have had more time to ponder the Genographic Project's work.

    David McElrea

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    A bump with screenshots and further questions:

    Here is the main panel from the "Who Am I" section:

    Who Am I Geno 2.jpg

    I was expecting to fall neatly within the British reference population. All of my ancestors are from the Isles, both recent and immediate. As it happens, though, I have significantly less Northern European admixture than the average Briton, and more Mediterranean and Southwest Asian.

    My first reference population is German:

    Who Am I Geno 2-2.jpg

    The German-like admixture was surprising enough, given my ancestry, but not nearly as surprising as my y second reference group, which is (rather oddly, as there are significant differences in admixture percentages), Greek:

    Who Am I Geno 2-3.jpg

    I don't know how meaningful the population references are, but they obviously signify something. This is where I would appreciate some help from my fellow-forumites. I don't know what they signify.

    My first question, then, is simply that: what do they signify? Does the elevated Mediterranean admixture suggest that one of my recent ancestors (say, within the last two to three hundred years) came to Britain from the Continent?

    Secondly, have other British Isles testees come up with similar variances from the norm in their percentages?

    These first questions have to do with my own results. My last question addresses the larger question of Geno 2.0's descriptors.

    Geno 2.0 describe Northern European as reflecting Europe's earliest inhabitants. This, as far as I understand, is fairly uncontroversial. The Mediterranean and Southwest Asian designations are both tied in with neolithic incomers from the Near East. Am I right in saying this is contested ground for many on the forum, at least with regard to the Southwest Asian?

    Any help would be appreciated. I'm far more comfortable talking about SNP's than I am autosomal DNA, and I'm feeling quite out of my depth in figuring out what all of this means with regards to ancestral populations and my own autosomal make-up.
    Last edited by David Mc; 09-17-2013 at 06:39 AM.

  3. #3
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    Quote Originally Posted by David Mc View Post
    My first question, then, is simply that: what do they signify? Does the elevated Mediterranean admixture suggest that one of my recent ancestors (say, within the last two to three hundred years) came to Britain from the Continent?

    Secondly, have other British Isles testees come up with similar variances from the norm in their percentages?
    I hate to give such an inconclusive answer, but: maybe, and maybe not. Your results look within the norm for the few British results I've seen.

    For example, your results look identical to Solothurn's, and he's 100% English, as far as I know. http://www.anthrogenica.com/showthre...ull=1#post7900

    I also believe Quotablepatella, who is also 100% English, got the same reference population results, and 37% Mediterranean. I'll ask him if he can post his results here.

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     David Mc (09-18-2013)

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    I don't think Geno 2 is really that great at population analysis -- certainly not as good from what I've seen as 23andme's Countries of Ancestry/Ancestry Composition in tandem.
     

    Other ancestral Y lines:

    E1b-M81 Ukraine (Ashkenazi)
    E1b-V13 England
    I1-M253 Ireland
    I2-M423 Ukraine
    R1a-L176.1 Scotland
    R1b-L584 Syria/Turkey (Sephardi)
    R1b-L20 Ireland
    R1b-L21 (1)England; (2)Wales?>Connecticut
    R1b-L48 England
    R1b-P312 Scotland
    R1b-FGC32576 Ireland

    Other ancestral mtDNA lines:

    H1b2a Ukraine (Ashkenazi)
    H6a1a3 Ukraine
    K1a9 Belarus (Ashkenazi)
    K1c2 Ireland
    V7a Ukraine

  6. The Following 2 Users Say Thank You to AJL For This Useful Post:

     David Mc (09-18-2013),  Scarlet Ibis (09-18-2013)

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    Thank you both for responding. I was more than a little bemused.

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     Scarlet Ibis (09-18-2013)

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    Quote Originally Posted by AJL View Post
    I don't think Geno 2 is really that great at population analysis -- certainly not as good from what I've seen as 23andme's Countries of Ancestry/Ancestry Composition in tandem.
    Yeah, from what I've seen, Geno's population analysis leaves something to be desired. They're fun to look at, and they're not horrible like DNATribes is (sorry, but anything that charges money to tell Brits they're "Indian" is seriously horrible), but I wouldn't put too much stock in them. 23andme is a much more useful tool in this regard, particularly since you can use the raw data to play around with Gedmatch, and the various MDLP, Dienekes, Eurogenes, etc. DIY calculators.

    A late welcome to Anthrogenica, btw, David Mc.

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     David Mc (09-18-2013)

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    Thanks very much, Scarlet Ibis.

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    The same David. I got German first and Greek second. I have a similar ancestry. I thought it might be because Irish people's ancestry is often Basque and they might be the Indo-European connection. Other possibility is Geno 2 doesn't have it's act together and the results are too broad.

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    Hi Dallitt. I'm thinking the latter is the most likely explanation. I'm afraid I "pulled the trigger" a little too quickly with Geno 2.0... it hasn't been at all what I hoped it would be.

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    Thought I should make two additional comments to elucidate the previous post. Firstly, there has been a significant shift away from the Iberian origins model for the Irish. I won't present all of the reasons for the shift here as there are numerous threads on this forum devoted precisely to that topic. As I don't hold to there being a significant Iberian input to the Irish gene pool, I think it more likely that the problem lies in the way the Genographic Project gathers or collates (or perhaps defines) their data.

    Secondly, I thought I should say why I've been disappointed with my Geno 2.0 experience, rather than simply lobbing a verbal hand grenade at the Project without explanation. When I signed up for the test I knew that my own DF49 subclade was not included on the new chip, so I can't complain about that. I had hoped that it would at least offer up the possibility of new SNP's below DF49, but none of that has materialized, despite all the hype. Furthermore, the access customers have to Geno 2.0 data (matches etc) is very limited and/or imprecise. Apart from identifying my maternal haplogroup (which I could have done elsewhere for less money), I've learned nothing new from my Geno 2.0 experiment. That is why I'm disappointed. Caveat Emptor, as they say.
    Last edited by David Mc; 06-02-2014 at 09:04 PM.

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