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Thread: 23andMe Ancestry Composition Results

  1. #1511
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  3. #1512
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    I finally bit the bullet and took a 23andme test (my mother and I had already done MyHeritage and my father did Ancestry, and all three kits were uploaded to FTDNA). Just got my results!

    23andme results 1.jpg 23andme results 2.jpg 23andme results 3.jpg

    In terms of the ethnicity breakdown, there are pros and cons, of course. On the plus side, they did a remarkably good job at identifying my 50/50 paternal/maternal split, with NW Europe on one side and Ashkenazi/Southern Europe/MENA on the other. MH and FTDNA did a much poorer job of that, and GEDmatch, G25 and the smaller companies I've uploaded to all usually have a hard time with that split as well. I think they did a pretty good job with my Jewish side. The Ashkenazi is higher than I get on other services (29% with MH and 32% with FTDNA) and I'm sure it partially corresponds to my Sephardic ancestry, but it's pretty closely in line with my paper trail.

    On the other hand, I was very underwhelmed with the breakdown for my NW Euro side. While the regions I was assigned are accurate, several are missing, and they've missed the mark on my ratio of Continental European vs. British Isles ancestry. Not that other services have done all that much better, but I had higher hopes for 23andme.

    For reference my paper trail is:

    maternal - 37.5% Ashkenazi and 12.5% Turkish Sephardic

    paternal - approx. 25% English (colonial American), 12.5% Dutch (half colonial American, half from immigrant 2x great-grandfather), 6.25% Danish (2x great-grandmother), approx. 4% German (mostly Pennsylvania German) + small percentages of Irish, Scottish and French

    For me it was certainly worth it, not so much for the ethnicity breakdown (which is always fun, but nothing new), but for the chromosome painting, a new set of matches and haplogroups (never tested for those before - will add them to my info on the left).

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  5. #1513
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    Following up on my last post, here are my results at 90% confidence:

    23andme results 90% confidence.jpg

    Here French & German is at 24.5%, which is more in line with my paper trail. British & Irish oddly disappears entirely, though. More believable, but obviously very vague.

    What's very impressive (though possibly partly coincidental) is that my Ashkenazi percentage goes to 37.6%, which is pretty much precisely what my paper-trail percentage is.

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  7. #1514
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    Quote Originally Posted by passenger View Post
    Following up on my last post, here are my results at 90% confidence:

    23andme results 90% confidence.jpg

    Here French & German is at 24.5%, which is more in line with my paper trail. British & Irish oddly disappears entirely, though. More believable, but obviously very vague.

    What's very impressive is that my Ashkenazi percentage goes to 37.6%, which is pretty much precisely what my paper-trail percentage is.
    I always thought that being able to adjust the confidence levels was one of the better features of Ancestry Composition. With most other companies, there seems to be pretty much of a "what you see is whatever we tell you" mentality. And you also don't see what any of the other possibillities were -- just whatever the finished product of their algorithm was.

    At one time, Ancestry would actually let you see ancestries for which the final result was 0%, but for which you had a non-zero range. No longer. Every word is the word, even when it may become very different on some future update.

    Interestingly, the one calculation that doesn't vary now between the 50% confidence level and the 90% confidence level is my "Indigenous American", at 1.9%. Just about everything else drops significantly.

    For example, my "French & German" goes from 48.2% to just 3.5%. My "British & Irish" goes from 36.3% to 4.8%. "Scandinavian" completely disappears -- though it was only 0.6% to begin with. "Finnish" is actually one of the few exceptions among my European ancestries, in that it remains unchanged from 0.4%. "

    Greek & Balkan" goes down very little, from 1.2% to 1.0%. "Italian" drops out entirely, from 1.1% to nothing. My "Iberian" doesn't quite drop out, but goes from 2.3% to just 0.2%. The entire "Southern European" category shrinks, going from 6.0% at 50% confidence to 1.6% at 90% confidence.

    But "Northwestern European" also shrinks, from 91.7% to 72.8%. The only category that shows an increase is "Broadly European", which goes from a mere 0.4% up to 23.4%. I think this is one area where 23andMe actually tried to be too specific, because I don't believe all my "Northwestern European" really should be in that category. My maternal grandmother was half Spanish, with both her father's father and her mother's father having immigrated from the island of Menorca. So on paper I'm an eighth, even though 23andMe's entire "Southern European" estimate for me is a little less than a sixteenth. It's possible, but I think I actually inherited more DNA than that from both men -- and I believe my match lists suggest as much.

    But all-in-all, I think 23andMe does much better than Ancestry, which can't find any "Spanish" ancestry for me at all. LivingDNA does better, I think, with 6.7% for "Iberian Peninsula". MyHeritage is pretty close on "Iberian", but also adds another 1.9% for "Greek and South Italian". Likely, both of these are related to my Menorcan ancestry.

    I really wish it would be possible to know -- let alone vary -- the confidence levels at some of the other companies. I'd really like to know just how confident they are in their predictions, but it's pretty much only possible to know that at 23andMe.
    Besides British-German-Catalan, ancestry includes smaller amounts of French, Irish, Swiss, Choctaw & another NA tribe, possibly Catawba. Avatar picture is: my father, his father, & his father's father; baby is my eldest brother.

    GB

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  9. #1515
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    Quote Originally Posted by passenger View Post
    Following up on my last post, here are my results at 90% confidence:

    23andme results 90% confidence.jpg

    Here French & German is at 24.5%, which is more in line with my paper trail. British & Irish oddly disappears entirely, though. More believable, but obviously very vague.

    What's very impressive (though possibly partly coincidental) is that my Ashkenazi percentage goes to 37.6%, which is pretty much precisely what my paper-trail percentage is.
    Nice results my friend. I think 23andMe is nowadays the best autosomal company, and is strongly useful for mixed people like your case. Really, the 90% confidence results are the most reliable, at least in v5.9.

    Your Sephardic genetics is included in Ashkenazi Jewish and WANA cathegory, this is the reason why you score more AJ than other platforms.
    23andMe: 99.4% Spanish & Portuguese, 0.3% Ashkenazi Jewish, 0.3% Trace Ancestry (0.3% Nigerian)

    My Heritage: 91.5% Iberian, 3.6% Ashkenazi Jewish, 2.7% Middle East, 2.2% Irish, Sccotish and Welsh

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  11. #1516
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    Quote Originally Posted by rober_tce View Post
    Nice results my friend. I think 23andMe is nowadays the best autosomal company, and is strongly useful for mixed people like your case. Really, the 90% confidence results are the most reliable, at least in v5.9.
    Thanks. Yes, it certainly has its strengths.

    Quote Originally Posted by rober_tce View Post
    Your Sephardic genetics is included in Ashkenazi Jewish and WANA cathegory, this is the reason why you score more AJ than other platforms.
    Yes, I was pretty sure that was the case. Here, the Sephardic corresponds to Italian + WANA + Ashkenazi (and perhaps the "broadly European") as it does in results for fully Sephardic individuals. Although it's interesting that my Ashkenazi % at 90% confidence matches my paper-trail, I'm afraid that still doesn't help me pinpoint exactly how much of my DNA comes from my Sephardic great-grandmother, since Ashkenazi seems to be built into the Sephardic results even at 90% confidence. That's been a point of curiosity for me since my relatively low Ashkenazi % on other sites led me to believe that either one of my Ashkenazi great-grandparents wasn't fully Ashkenazi or that I'd inherited a disproportionately large amount of DNA from my Sephardic great-grandmother. I'm pretty sure the latter is the case, but 23andme doesn't help that much in that regard.

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  13. #1517
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    Quote Originally Posted by passenger View Post
    I'd inherited a disproportionately large amount of DNA from my Sephardic great-grandmother. I'm pretty sure the latter is the case, but 23andme doesn't help that much in that regard.
    That 0.6% Anatolian is sweet. What percent threshold does it disappear by? 'Anatolian' has been a rarity among ESJ's since the last update.

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  15. #1518
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    Quote Originally Posted by Seabass View Post
    That 0.6% Anatolian is sweet. What percent threshold does it disappear by? 'Anatolian' has been a rarity among ESJ's since the last update.
    Interesting - I never noticed that in the ESJ samples. It goes down to 0.4% at 60% confidence and disappears at 70%. At 70% there's still 0.1% "Broadly Northern West Asian", but that disappears at 80%. Not sure why it shows up for me. I've been looking at some of my ESJ cousins on 23andme (see the Sephardic thread), of which I haven't found that many, but the three that I've found so far have 0% Anatolian (still a fair amount of other Northern West Asian categories, though).

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  17. #1519
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    My results at 90% confidence. Phased with both parents, v5.9.
    AncestryDNA: 31% Scotland (9-31%), 27% England & Northwestern Europe (26-58%), 14% Sweden & Denmark (0-23%), 11% Ireland (0-21%), 9% Germanic Europe (0-29%), 5% Wales (0-10%), 3% Norway (0-12%)

    23andMe (v5.9 - 50% Confidence phased with both parents): 70.9% British & Irish, 27.4% French & German, 0.8% Broadly Northwestern European,
    0.5% North African, 0.2% Senegambian & Guinean, 0.2% Angolan & Congolese

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    I haven't checked in on 23andme in a bit, but that Americas update mentioned earlier in the thread did impact my results with a region added to the results. It is accurate for what I know as well.

    23update.PNG
    Last edited by linthos; 08-30-2021 at 02:34 PM.
    Paper Trail - Primarily French Canadian and Scottish (through Canada), after that there is English, Portuguese, German, and a small amount of Native American.

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