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Thread: AncestryDNA - New DNA Origins - Genetic Communities Sneak Preview

  1. #21
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    Very interesting. As a genealogist, I like the surname feature a lot.
    The connection is through your mother's side, you said. Are you fully 50% Northern Irish/Scots? I'm curious what percentage of one's ancestry is sufficient for the algorithm to assign membership in a community.

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  3. #22
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    Quote Originally Posted by drouhin View Post
    Very interesting. As a genealogist, I like the surname feature a lot.
    The connection is through your mother's side, you said. Are you fully 50% Northern Irish/Scots? I'm curious what percentage of one's ancestry is sufficient for the algorithm to assign membership in a community.
    I only know my maternal side, and even on that side, there are 2 x NPEs to solve (hopefully eventually with DNA assistance!). From my known tree, it is 50% Irish / 50% Ulster Scots. As for my paternal side... who knows, although the Y is Irish Type III.
    If it helps, this is my LivingDNA take on my ancestry; they too have got my largest region as Northern Ireland/Scots...
    Last edited by AntG; 02-09-2017 at 05:55 PM. Reason: Spelling

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  5. #23
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    My mother is more atypical Northern Irish (born in Belfast) and she got 'Very Likely'...

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  7. #24
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    It looks like she was placed in a different community than you. She got "Scots in Central Scotland & Ulster, Ireland", and you were placed in "Scots". Am I interpreting this right -- are they two different communities? How does your mother's genetic communities map differ from yours?
    Thanks for your patience with all these questions!

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  9. #25
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    Quote Originally Posted by drouhin View Post
    It looks like she was placed in a different community than you. She got "Scots in Central Scotland & Ulster, Ireland", and you were placed in "Scots". Am I interpreting this right -- are they two different communities? How does your mother's genetic communities map differ from yours?
    Thanks for your patience with all these questions!
    I hadn't noticed the different community name! The map/story is the same. Different 'Your Connection' page and people forming that community and surnames listed...
    Sorry for the large images... I have to work out what to use for forum images...

    Last edited by AntG; 02-09-2017 at 09:04 PM.

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  11. #26
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    Ok, I can see partly what's going. We both have just 1 Genetic Community highlighted on the main dashboard... but when you go in to the new pages, there are drop-downs.
    My mothers has her main community as 'Scots in Central Scotland and Ulster, Ireland' with 'Very Likely'. The drop-down allows the Scots Community to be displayed for her which shows 'Likely'.
    I am the other way around. Only 1 Genetic Community on dashboard. It defaults to Scots with 'Likely' but I also have 'Scots in Central Scotland and Ulster, Ireland' with 'Possible'.
    The only inconsistency is if I can have Scots with only 'Likely' as my dashboard number, why doesn't my mother have 2 communities as her dashboard number with both 'Very Likely' and 'Likely'?
    I guess this is why it is Beta...


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  13. #27
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    Her community is smaller(34,124 vs. 95,849) and more specific (Central Scotland, Ulster) than the more generalized "Scots". Presumably she has around twice as much DNA from this community as you (assuming your father is not a member) -- maybe more data points makes it easier to localize her? Or perhaps you inherit Scots dna from your father originating outside of Central Scotland and Ulster, and that lands you in the larger "Scots" group.

    Hmmm. I wish Ancestry would write a white paper on how Genetic Communities are determined.

  14. #28
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    Quote Originally Posted by drouhin View Post
    Her community is smaller(34,124 vs. 95,849) and more specific (Central Scotland, Ulster) than the more generalized "Scots". Presumably she has around twice as much DNA from this community as you (assuming your father is not a member) -- maybe more data points makes it easier to localize her? Or perhaps you inherit Scots dna from your father originating outside of Central Scotland and Ulster, and that lands you in the larger "Scots" group.

    Hmmm. I wish Ancestry would write a white paper on how Genetic Communities are determined.
    Yes, my DNA is more mixed than my mother's and I also guess this result also reflects my matches' DNA?. I also manage my mother's brother's DNA from my account but either it hasn't recognised him in a community yet or the Beta being rolled out to certain individual DNA tests rather than sign-ons. My father was 'English' and from Liverpool but has the Irish Y Type III Y chromosome (Liverpool does have a large Irish background community)/I doubt his background is Northern Irish; that is partly why I did the LivingDNA test to find out a bit more as to where the paternal DNA was coming from.

    I will be honest... I'm now a bit confused myself!
    Last edited by AntG; 02-09-2017 at 09:19 PM.

  15. #29
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    Interesting so far.
    Last edited by Calas; 02-09-2017 at 09:38 PM.

  16. #30
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    Aha! I didn't notice that drop down box before. This is starting to make a little more sense. Like your mother, I'm in two communities as well, even though on my main page, like her, it only shows me belonging to one.

    The more specific "Settlers of Southeastern New York" is the primary one, but underneath that dropdown, I see I'm also in "Early Settlers of New York", a larger group than the more localized "Southeastern New York" group. Unlike your mother, my confidence level for both groups is "Likely" (60%).

    gencom5.jpg
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