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Thread: X-matching anomaly

  1. #1
    Registered Users
    Pittsburgh, PA, USA
    (U.S.) American
    Y-DNA (P)
    mtDNA (M)

    United Kingdom Germany Bayern Catalonia France Ireland Switzerland

    X-matching anomaly

    Maybe someone can explain this to me ...

    I have three sisters -- Kim, Luci, and CJ. They, along with our brothers Bernie and Curt and myself, are full siblings.

    These sisters match our father and each other on the X chromosome, just as expected.

    Bern versus Kim, Luci, CJ, & Sarah.JPG

    Logically, both of Sarah's aunts should also match Sarah at the same location where they match our father and each other, but they don't.

    Sarah versus Kim, Luci, CJ, & Bern.JPG

    The only thing I can think of to account for this is the chip version for Sarah. For everyone else but Kim, it's v2-v3, and for Kim it's v3 only. Sarah is, of course, on v5.
    Last edited by geebee; 05-13-2018 at 07:19 PM.
    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.


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