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Thread: Understanding genetic ancestry testing and debunking genetic astrology

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    Understanding genetic ancestry testing and debunking genetic astrology

    I've been working on a new website with my friends at UCL explaining what can and can't be said from a genetic ancestry test. You can find the website here:

    https://www.ucl.ac.uk/mace-lab/debunking

    Here's my blog post introducing the new site:

    http://cruwys.blogspot.co.uk/2014/07...y-testing.html

    Feedback and suggestions of further items for inclusion would be welcome.

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    I have put in a link to it from my revised DNA testing page. http://www.ancestraljourneys.org/genetictesting.shtml

    I see that you de-bunk 'Out of Australia' and 'Into Africa', but not 'Out of America'.
    Last edited by Jean M; 07-26-2014 at 10:06 AM.

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    Seems a bit dry IMHO.

    Adding something practical like a DIY guide to something or even a basic ancestry test would attract more people.

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    I really wish that certain companies would stop with all the marketing hokum, well that and publish a paper or two. I will say that tests such as Chromo2 do appear to produce some very interesting results such as in case of M222. It's pity though everything is reduced down to "Niall this, and Niall that"

    Huge amount of substructure in M222 revealed due to this test:

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    Quote Originally Posted by Jean M View Post
    I see that you de-bunk 'Out of Australia' and 'Into Africa', but not 'Out of America'.
    Thanks Jean. I'm not familiar with the "Out of America" theory. Do you have some links and perhaps we can do something.

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    Quote Originally Posted by Generalissimo View Post
    Seems a bit dry IMHO.

    Adding something practical like a DIY guide to something or even a basic ancestry test would attract more people.
    There are already other resources such as the ISOGG Wiki covering the basics. We have got a page on understanding genetic ancestry which covers the three main types of test:

    https://www.ucl.ac.uk/mace-lab/debun...anding-testing

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    Quote Originally Posted by DebbieK View Post
    Thanks Jean. I'm not familiar with the "Out of America" theory. Do you have some links and perhaps we can do something.
    To even bother to refute the "Out of America" nonsense gives more attention to the author than he deserves. GD does not rely on DNA testing, so I would leave that one off the list.

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    I like your point about the need for confidence intervals and ranges. That was one way (perhaps the only way) FTDNA's old Population Finder was superior to the current myOrigins.

    A few ideas for the "Dubious Claims" section, if you are seeking to expand that:

    Donald Yates' company DNA Consultants is still out there. I am not sure if they still do this but they used to specialize in telling everyone, regardless what their origins actually are, that they are Cherokee.

    DNA Tribes claims their 26-STR test is the "most detailed and comprehensive genetic ancestry analysis available," which is highly contentious when Family Finder tests over 700,000 SNPs.

    Another company, which I suspect most people here have not run across, that bears scrutiny is Viagard/Accu-metrics.com. They claim to be able to "Confirm Band Membership" for someone as Aboriginal, which no group will honour.
     

    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

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    Quote Originally Posted by GailT View Post
    To even bother to refute the "Out of America" nonsense gives more attention to the author than he deserves. GD does not rely on DNA testing, so I would leave that one off the list.
    Good point. I retract my suggestion Debbie.

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    I've got DNA Consultants and their sister company DNA Spectrum on my radar at the moment but they seem to keep a fairly low profile. I've not seen them featured in the press, and I've not seen anyone write any critical reviews. If anyone does come across some material that we could use do let me know.

    Accumetrics is not a company I've come across before. They seem to be primarily a paternity testing company. They do offer this tribal test:

    http://www.accu-metrics.com/first-nation.php

    Again, ideally we'd need to have some critical reviews that we could link to as we don't want all the individual entries to get too long.

    There is some material on DNA Tribes in the ISOGG Wiki:

    http://www.isogg.org/wiki/DNA_Tribes

    I was actually wondering about testing with them out of curiosity just to see how an autosomal STR would test compare with my autosomal SNP tests.
    Last edited by DebbieK; 07-26-2014 at 03:51 PM.

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