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Thread: My Ancestry results - I can't recommend it!

  1. #31
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    Quote Originally Posted by Polak View Post
    Do you think they will update 23andme, Ancestry, etc. in the recent future or do you think it won't ever get much better?
    That's a hard question to be honest. The reason this happens is that many fully ethnic members of a some populations show small percentages of other ancestries in their results. In order to make the results seem "more realistic" at a population level, the testing companies may release those smoothing updates. For example if you're 7/8 Polish and 1/8 German you would probably by the ancient admixture be very close to Slovaks because they carry that 15-20% Ostsiedlung Germans genes or ancient Celto-Germanic admixture. In order for Slovaks to get realistic results those companies have references for them that they consider to be 100% EE, so when the person with distant 1/8 Central European heritage tests he gets 100% EE because he is the closest to that Slovak reference. While this improves the aggregate results for people with primarily one ethnicity, it makes the results less precise for those who genuinely have distant minor ancestries. Their small percentages may get smoothed away in the process. I think it works like that but I thought that 23andme and AncestryDNA used a different method for calculating Ancestry Composition results.

  2. #32
    Member mariusz99's Avatar
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    Quote Originally Posted by Voskos View Post
    Mariusz is always crying about his result no matter the test.
    What ??😅

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    I don't believe Ancestry's results should invalidate your German ancestry, I've seen this type of thing happen a lot with AncestryDNA results. Based on my results and other results I've seen, they do seem to have a tendency to strongly overestimate or favor certain European components and not too uncommonly completely smooth over even slightly more distant European ancestry.

    I wonder if this could maybe also be caused by admixed samples sometimes.
    =(^.^)=

    Also I don't do classifications currently, sorry.

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    23andme has had smoothing updates as well...I get possible hints if Lipka Tatar ancestry on G25, and close relatives who have scored trace E and SE Asian points...it’s all “buried” in Eastern Europe now due to membership. That’s what people are saying about your German ancestry- it’s probably real, it’s just that there are probably many Poles in the database with small German admixture, so again, gets buried.

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    Don't get too assblasted about it, it will update and change again probably
    Anglo Saxon + Frank (4.336)
    Viking Danish + Frank (4.338)
    Gael + Frank (4.39)
    Anglo Saxon (4.393)
    Viking Danish + Anglo Saxon (4.568)

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    You're mad because you scored 1 percent jewish and 99 percent eastern european?



  7. #37
    Senior Member Polak's Avatar
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    Quote Originally Posted by Abriekman View Post
    That's a hard question to be honest. The reason this happens is that many fully ethnic members of a some populations show small percentages of other ancestries in their results. In order to make the results seem "more realistic" at a population level, the testing companies may release those smoothing updates. For example if you're 7/8 Polish and 1/8 German you would probably by the ancient admixture be very close to Slovaks because they carry that 15-20% Ostsiedlung Germans genes or ancient Celto-Germanic admixture. In order for Slovaks to get realistic results those companies have references for them that they consider to be 100% EE, so when the person with distant 1/8 Central European heritage tests he gets 100% EE because he is the closest to that Slovak reference. While this improves the aggregate results for people with primarily one ethnicity, it makes the results less precise for those who genuinely have distant minor ancestries. Their small percentages may get smoothed away in the process. I think it works like that but I thought that 23andme and AncestryDNA used a different method for calculating Ancestry Composition results.
    I agree with you. That makes the most sense to me. However I don't believe Slovaks have a noticeable Germanic admixture, rather a Pannonian/Celtic one. I personally think my German was smoothed over because most Poles have small amounts of German ancestry, and the Polish reference samples have somewhere between 10-20% Germanic admixture as it is, so the algorithm didn't detect any abnormalities.

    Slavic (AD 540–1270) 64.0%
    Baltic (AD 260–540) 21.2%
    Germanic (AD 100–630) 7.6%
    European Jew (AD 1160–1400) 6.0%
    Sinitic (1230 BC–AD 1670) 1.2%
    Fit: 2.626

  8. #38
    Senior Member Polak's Avatar
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    Quote Originally Posted by CordedWhelp View Post
    23andme has had smoothing updates as well...I get possible hints if Lipka Tatar ancestry on G25, and close relatives who have scored trace E and SE Asian points...it’s all “buried” in Eastern Europe now due to membership. That’s what people are saying about your German ancestry- it’s probably real, it’s just that there are probably many Poles in the database with small German admixture, so again, gets buried.
    This.

    Gedmatch, G25, non-commerical tests (e.g. Illustrative), etc. all picked up on my Tatar ancestry but 23andme did not. Despite this, they gave me Bashkortostan as a region for EE

    Slavic (AD 540–1270) 64.0%
    Baltic (AD 260–540) 21.2%
    Germanic (AD 100–630) 7.6%
    European Jew (AD 1160–1400) 6.0%
    Sinitic (1230 BC–AD 1670) 1.2%
    Fit: 2.626

  9. #39
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    Quote Originally Posted by Feiichy View Post
    No, it is not. Ancestry isn't myheritage, if you score 1% AJ there it means you highly likely have it. Nothing strange for a Pole to score, tons of them have it.
    My maternal grandparents scored 1% Jewish but neither levantine or South Italian in the rounded percentage, just my grandpa scored 1% Balkans, and about their "hacked" results, He got 1.32% Jewish, 0.77% Balkans and 0.44% Levant

    My paternal grandma instead didn't score Jewish, South Italian, Levantine or Balkans in the rounded percentage, but in her "hacked" one got 0.5% Aegean Islands, 0.28% Jewish, 0.17% Levant and 0.11% Egypt

    So do they have real Jewish ancestry?

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    Quote Originally Posted by HelloGuys View Post
    So do they have real Jewish ancestry?
    Yes, Sephardic Jewish

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