Archiver > GENEALOGY-DNA > 2010-03 > 1268412956

Subject: Re: [DNA] Question about matches on Chromo #7 at 23andme RF
Date: Fri, 12 Mar 2010 11:55:56 EST

No-calls are ignored, so that is not a problem. Your first explanation is
the more likely one, and could perhaps be resolved by seeing if A and B and C
all match each other.

Ann Turner

In a message dated 3/12/2010 8:34:30 AM Pacific Standard Time,

> You each have two copies chromosome 7, and you could be matching some of
> these people on different copies. 23andMe is reporting half-identical
> regions for this reason.
> The other thing is that everyone's test has no-calls, maybe 5%, and this
> can affect calculation of segement lengths.

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