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Thread: How accurate are the 'One-to-many' matches on GEDMatch

  1. #1
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    How accurate are the 'One-to-many' matches on GEDMatch

    I was doing the 'One-to-many' matches on GEDMatch and I came across some matches that have over 7cm. I was wondering how accurate are these matches and if the estimated generation is accurate?
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    Last edited by Mehrdad; 03-04-2014 at 04:01 AM.

  2. The Following User Says Thank You to Mehrdad For This Useful Post:

     Sein (03-04-2014)

  3. #2
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    I wouldn't put much stock in the MRCA calculation for small matches (7cM is still pretty small, geneologically speaking). The matches themselves are pretty accurate. Kind of hard not to be unless their entire system was fraudulent. My dad's phased kit (phased from me and my mom) wound up sharing exactly enough with her to qualify as a 2nd/3rd cousin of hers and in reality he actually is her second cousin. The MRCA estimate was 2.5. So it's pretty good once you're sharing a decent amount with someone likely to be your relative.
    Paternal - Y-DNA: J2b2* (J-M241) Z2432+ Z2433+ Y978+ (J2b2a2b1*) (Hidden Content ) (YFull: YF02959) (FTDNA Kit B6225), mtDNA: M18a* (FTDNA Kit 329180) (YFull: YF63773)
    Maternal- Y-DNA: R1a1a1b2a1a2c2d5a* L657+ Y7+ (R-Y16494*) (FTDNA Kit 311047) (YFull: YF68408), mtDNA: Hidden Content (FTDNA Kit B6225) (YFull: YF02959) (Mother's Mother's Father: R1a1a1b2a1a2c2* Y7+ Y29+ (R-Y29*) (FTDNA Kit 329181) (YFull: YF65256))

  4. The Following 4 Users Say Thank You to Dr_McNinja For This Useful Post:

     FaerieQueene (06-23-2014),  Mehrdad (03-04-2014),  NK19191 (03-04-2014),  Sein (03-04-2014)

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