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Archiver > DNA-R1B1C7 > 2008-02 > 1203654723
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Subject: Re: [DNA-R1B1C7] Age of R1b1c7
Date: Thu, 21 Feb 2008 23:32:03 EST
In a message dated 2/21/2008 10:07:56 P.M. Central Standard Time,
writes:
I don't know the Doherty modal, but I doubt that it matches the marker
values characteristic of the large group of closely related American Ewings
that are off-modal for R1b1c7. The "Ewing" markers are (in descending order
of specificity): DYS442 = 11, DYS19 = 15, DYS456 = 18 and DYS449 = 31. All
five members of the branch of the Ewing family that have YCA-IIb = 22 all
have the "Ewing" values on the other four markers in question. Presuming
that the Doherty haplotypes have none or almost none of these, we have to
conclude there were parallel mutations in these two lines, notwithstanding
that this is a very slowly mutating marker.
David, the Dohertys have different modal values at all of those markers.
None are 442 = 11; none are DYS 19 = 15. One is DYS 456 = 18. A few are DYS
449 = 31. So I think you're right that these were just parallel mutations.
The same thing is true of the McLaughlins. I thought your idea of an NPE was
interesting. I just don't see it in Donegal DNA. Not yet anyway.
John
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