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How many X matches do you have?

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  • sjadelson
    replied
    Originally posted by marietta View Post
    sjadelson: Wow, and double Wow! You have 3400 FF matches. How many Gedmatch matches?
    I don't know. It cuts off at 1500.

    No need to be jealous. This number is not atypical for Ashkenazi, and of those 3400 I have yet to make a new documented connection that I wasn't previously aware of.

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  • Biblioteque
    replied
    sjadelson: Wow, and double Wow! You have 3400 FF matches. How many Gedmatch matches?

    Leave a comment:


  • sjadelson
    replied
    I have about 280 X-matches out of nearly 3400 FF matches.
    My father has 292 out of ~3000.
    My mother has 1130 out of 3371.

    I thought it kind of odd when X-matches became available it was this much more. More, of course, but I expected closer to 2X, not 4X.

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  • Kathy Johnston
    replied
    Originally posted by timjes View Post
    My mother has 63 X matches. My daughter has 147 X matches. I (the male in the middle)only have 8 X matches. Two of those are my mother and my daughter. Looking through my daughter's matches, I can see lots that my mother has. Something is askew here.
    Females clearly have more identical by state matches because they have more chances to coincidentally match on their two chromosomes. You only have one X so it is much more likely to be IBD.

    Can you do me a favor when you have time and others in the same boat as you (males sandwiched between females), could you let us know at what point this disparity disappears? Click on all these X matches and compare the total numbers of matches at 1 cM, 3 cM, 5 cM and 10 cM.

    Even under normal circumstances, you should expect more matches for females than for males. After all, females have twice as many Xs as males. But there should not be this much difference unless there is considerably more IBS. I'd like to plot it out. Those segments that your mother and daughter share that you don't share should disappear at a certain point and I would also like to know the distance in cM when the segment disappears. Is it the same for both females?

    It is also helpful to know total FF matches for each of them. Thanks.

    Leave a comment:


  • timjes
    replied
    My mother has 63 X matches. My daughter has 147 X matches. I (the male in the middle)only have 8 X matches. Two of those are my mother and my daughter. Looking through my daughter's matches, I can see lots that my mother has. Something is askew here.

    Leave a comment:


  • PDHOTLEN
    replied
    I still only have 10 X-matches. FF matches keep coming, but no new X-matches along with them.

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  • Lincoln
    replied
    I have one match out of 118 here. She is a female. FWIW, if we had the same match criteria as 23andMe, I'd probably have about 12 matches if not more (assuming as many people with AJ bckground test here as there). 10% of my matches I am sharing with at 23andMe are on the X and are AJ.

    Leave a comment:


  • pmac
    replied
    Originally posted by Kathy Johnston View Post
    Actually I went back and recalculated the non-Jewish females and I got an average of 21% X matches for females. The average non-Jewish female had about 101 X matches out of 474 total FF matches in our project for the first four months of 2014. I probably should double check all my calculations.

    What is your male to female ratio among your X matches? Make sure the ones that are listed as males actually look like males.
    I'm female with 29% X-matches-- 170 Xs within a total of 584 FF matches. Male to female ratio 1:16 (10 male, 160 female).

    No known Jewish lineage either DNA or on paper. But a very large amount of my matches have Spanish colonial origins in New Mexico. I know they must be from my Spanish Californian maternal grandmother but since her records are good dating back to about 1750 and show nothing in New Mexico I can't figure out the connection. My theory is the MRCA is from a founding family in Old Mexico in 16th or 17th century, and high intermarriage in the isolated NM colony makes the matches appear closer.

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  • PDHOTLEN
    replied
    Originally posted by PDHOTLEN View Post
    Looking at mine again, one is 3rd to remote. I don't know how she is connect to me, but her tree looks colonial-related. Then I have two as 4th to remote. The rest are all 5th to remote.
    One of those 5th to remote is from Sweden. I mean, the whole tree is from Sweden, including the person who took the test. They never went to North America, it looks like. My X chromosome is only from my mother. The only Swedish persons on that side are way way back in my direct maternal line (offshoots). They were connected with New Sweden (1600s). Hmm...

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  • PDHOTLEN
    replied
    Originally posted by PDHOTLEN View Post
    I only have 10 X matches; and currently 412 total FF matches. They (X matches) are all distant.
    Looking at mine again, one is 3rd to remote. I don't know how she is connect to me, but her tree looks colonial-related. Then I have two as 4th to remote. The rest are all 5th to remote.

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  • suttonwho
    replied
    I have 318 FF matches, 53 of which are also X matches.

    Men: 2 (5th to remote)
    Women: 51
    3rd-5th: 3
    4th to remote: 8
    The rest are 5th to remote

    Leave a comment:


  • PDHOTLEN
    replied
    I only have 10 X matches; and currently 412 total FF matches. They (X matches) are all distant.

    Leave a comment:


  • phje
    replied
    Kit A: 930 FF matches and 158 X matches
    Kit B: 157 FF matches and 22 X matches
    Kit C: 861 FF matches and 113 x matches
    Kit D: 320 FF matches and 6 X matches
    Kit E: 553 FF matches and 3 X matches
    Kit F: 526 FF matches and 2 X matches

    All kits are unrelated. The first three are female.

    Leave a comment:


  • Kathy Johnston
    replied
    Originally posted by sharzie View Post
    I am female. I have 106 FF matches and 20 X matches, almost 20%
    Sharon
    Actually I went back and recalculated the non-Jewish females and I got an average of 21% X matches for females. The average non-Jewish female had about 101 X matches out of 474 total FF matches in our project for the first four months of 2014. I probably should double check all my calculations.

    What is your male to female ratio among your X matches? Make sure the ones that are listed as males actually look like males.

    Leave a comment:


  • suttonwho
    replied
    I have 313 FF matches and 53 X matches.

    Leave a comment:

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