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Thread: 23andme v4 vs v5 ancestry determination

  1. #21
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    Quote Originally Posted by bmoney View Post
    Bloody hell doesn't look good - at the end of the day though would this affect the other calculators as we can assume the SNP identification is the same if not better than v4?
    V5 only has 20% SNPs in common with V4

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  3. #22
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    Quote Originally Posted by cps View Post
    should I? I don't know who to contact... but it does seem strange doesn't it?
    I've contacted them before on messenger on there facebook page customer help. But I'm sure there's a contact enquiries on there full site.

  4. #23
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    I will just say it: overall results under the V5 chip are poor compared to those given under the older chip versions. Why are we going backwards instead of improving? And another thing: why haven't they updated their data base by now? It has been a number of years since they have done so.
    Last edited by tomz; 11-04-2017 at 09:37 PM.

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  6. #24
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    UPDATE:
    23andme just updated my others ancestry on V5 chip. She went down in Middle Eastern from almost 10% middle eastern to now 1.3%
    Her European went up from 89% to now 98%. Balkan went from 48% to now 85.7%. Italian went down from 12% to now 10.7%
    She picked up .3% ancestry from East Asia.

    This seems more in line with her paper ancestry which is 100% Peloponnese Greek

  7. #25
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    I wonder how well they can do matching even among their own database if there are so few common SNP's between chip versions. I was considering testing with them just to have all my bases covered since they supposedly have the second largest database (after Ancestry).

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