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Archiver > DNA-R1B1C7 > 2010-09 > 1285330582

From: "Sandy Paterson" <>
Subject: Re: [R-M222] Ewings Incognito
Date: Fri, 24 Sep 2010 13:16:22 +0100
References: <59882EBF2C66414FA6948EB5FA103D95@bedroomtoo>
In-Reply-To: <59882EBF2C66414FA6948EB5FA103D95@bedroomtoo>

Hi Steve

Let's consider that. Suppose two families (A & B) are related with a TMRCA
of T. Family B splits into 2 branches (B1 and B2). I think what you are
suggesting is that Family A (or a branch thereof) and Family B1 can mutate
towards each other while family B2 mutates away from B1 to the point that
B1 now appears closer to A than to B2?

I'd say yes, that is definitely possible, and may well be what's happened

Proving it is another matter though.


-----Original Message-----
[mailto:] On Behalf Of Steve Ewing
Sent: 23 September 2010 20:40
Subject: Re: [R-M222] Ewings Incognito

Are we not assuming all R:M-222 individuals share a common ancestor and
should we be at all surprised that M-222 Ewings and McLaughlins share
numerous markers? Is it not possible for individuals in different family
groups to have mutated the same markers in the same direction?

Steve Ewing
R1b1c7 Research and Links:

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