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Thread: GEDMATCH: LIVINGDNA vs 23andme & AncestryDNA

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    Question GEDMATCH: LIVINGDNA vs 23andme & AncestryDNA

    Am i the only one who noticed a slight difference between the results from the LivingDNA kit and the AncestryDNA/23andme kit(s)?
    23andMe and Ancestry agree with each other and give similar results.


    Regions of Ancestry
    West Africa - East Africa - North Africa - Middle East - Southern Europe - South Asia - SEA & Oceania

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    can you post also your eurogenes k13 values from all 3 company ?
    kind regards
    Adam

    p.s
    i think the reason is because living dna use a different chip gsa chip that is different from the chip of ancestery dna
    and also from {23and me v3,v4 chip }in case this your version .
    23and me v5 also use gsa chip like living dna .....

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    Well, they use different chips which means there's slightly different raw data, so I would expect there to be slightly different results.

    Which 23andMe chip did you test on? These are the total amounts of SNPs for their last few chips: 684,713 (V5); 602,352 (V4); 967,000 (V3). LivingDNA say they have a total of 674,000 SNPs and AncestryDNA include 668,857 SNPs. These differences could account for the small differences in your gedmatch results.

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    Quote Originally Posted by kingjohn View Post
    can you post also your eurogenes k13 values from all 3 company ?
    kind regards
    Adam

    p.s
    i think the reason is because living dna use a different chip gsa chip that is different from the chip of ancestery dna
    and also from {23and me v3,v4 chip }in case this your version .
    23and me v5 also use gsa chip like living dna .....
    Here it is.
    Population LIVINGDNA ANCESTRYDNA 23ANDME
    North_Atlantic 3.55 2.04 2.12
    Baltic 1.25 1.17 1.12
    West_Med 4.09 4.61 4.74
    West_Asian - - -
    East_Med 7.72 9.05 8.86
    Red_Sea 12.56 12.63 12.54
    South_Asian 1.76 1.48 1.42
    East_Asian 0.31 0.17 0.15
    Siberian - - -
    Amerindian 0.21 0.19 0.16
    Oceanian 0.76 0.82 0.93
    Northeast_African 19.48 19.64 19.79
    Sub-Saharan 48.30 48.19 48.17


    Quote Originally Posted by RobinBMc View Post
    Well, they use different chips which means there's slightly different raw data, so I would expect there to be slightly different results.

    Which 23andMe chip did you test on? These are the total amounts of SNPs for their last few chips: 684,713 (V5); 602,352 (V4); 967,000 (V3). LivingDNA say they have a total of 674,000 SNPs and AncestryDNA include 668,857 SNPs. These differences could account for the small differences in your gedmatch results.
    Im on the V3 chip.
    Then which one is the most accurate?
    Last edited by Hurricane; 03-27-2018 at 04:38 PM.
    Regions of Ancestry
    West Africa - East Africa - North Africa - Middle East - Southern Europe - South Asia - SEA & Oceania

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    You have a higher coverage with V3
    Recent Ancestry, full Normand. Known Genealogy 7/8 of the Cotentin peninsula 1/8 region of Coutances. Unfortunately, there are many missing branches on the maternal side.

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    Quote Originally Posted by Hurricane View Post
    Here it is.
    Population LIVINGDNA ANCESTRYDNA 23ANDME
    North_Atlantic 3.55 2.04 2.12
    Baltic 1.25 1.17 1.12
    West_Med 4.09 4.61 4.74
    West_Asian - - -
    East_Med 7.72 9.05 8.86
    Red_Sea 12.56 12.63 12.54
    South_Asian 1.76 1.48 1.42
    East_Asian 0.31 0.17 0.15
    Siberian - - -
    Amerindian 0.21 0.19 0.16
    Oceanian 0.76 0.82 0.93
    Northeast_African 19.48 19.64 19.79
    Sub-Saharan 48.30 48.19 48.17




    Im on the V3 chip.
    Then which one is the most accurate?
    from what i see living dna overestimate your north atlantic and east asian
    and underestimate your east med
    other than that most of the other components are stable in eurogenes k13 with all 3 companies

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    Quote Originally Posted by RobinBMc View Post
    Well, they use different chips which means there's slightly different raw data, so I would expect there to be slightly different results.

    Which 23andMe chip did you test on? These are the total amounts of SNPs for their last few chips: 684,713 (V5); 602,352 (V4); 967,000 (V3). LivingDNA say they have a total of 674,000 SNPs and AncestryDNA include 668,857 SNPs. These differences could account for the small differences in your gedmatch results.
    The big difference isn't so much the number of SNPs but the overlap in which SNPs they are testing. Ancestry and 23andMe have a fairly high overlap while LivingDNA tests a very different set of SNPs. The overlap is only something like 180k SNPs or something on that scale. Thus these models built with Ancestry and/or 23andMe data sets will be less accurate with LivingDNA data due to the lower sampling of SNPs that will be modeled and accounted for.

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    Quote Originally Posted by Hurricane View Post
    Im on the V3 chip.
    Then which one is the most accurate?
    That really depends on the individual. I found LivingDNA to be the most accurate for me, but many others don't.

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    vary.png

    Mine vary greatly too.

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     Hurricane (04-19-2018)

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    Mine vary as well. Im Russia from Krasnodar region.

    Although the numbers dont look huge, FTDNA basically aligns me with Ukrainian. The only consistency is that I have relatively high West Asian, double the average for Ukrainians and Russians.

    The effect is my FTDNA shows me as a distance as 5 to Ukrainian, with 92% Ukrainian populations whilst my LDNA result is a distance of 9 to Ukrainian with very mixed populations

    Untitled.png
    Last edited by Xtian; 04-19-2018 at 09:44 AM.

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