Thank you so much for sharing these charts. I'm finding them very helpful! But just to be clear that I understand this correctly ... According to that chart, a woman can not have an X-"cousin" match with someone from her paternal grandfather's family tree. Is this correct?
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Raez (2017-02-03)
X inheritance is different from other chromossomes. I have tested my maternal grandmother, who gave her Xs recombined to my mom. yet I got only 21.1 cM shared with my grandmother, that is roughtly 11% of her Xs. So 89% comes from my maternal grandfather.
(according to gedmatch the size of the X is 190.1 in cM)
Last edited by Kriptc06; 2017-09-12 at 23:31.
Adieu
a_garcia49 (2017-09-13)
So I found a match on GEDMatch with total/largest 20.1 shared CM on X, but nothing on autosomal, is that basically a very distant relation?
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yes, that can happen, so distant that you have no Au anymore. like my case I got roughly 89% from my maternal grandfather, who got both of his mothers recombined, and her got one from her mom, one from her dad so on. so I can have a X bit from 5-6 generations ago on my granfather side, that would be 1 to 3% of Au, that I could not inherit by chance.
Adieu
a_garcia49 (2017-09-13), thetick (2017-09-13)