DNA-R1B1C7-L Archives
Archiver > DNA-R1B1C7 > 2008-01 > 1200865073
From:
Subject: Re: [DNA-R1B1C7] R1b1c7 and DYS 447 = 24
Date: Sun, 20 Jan 2008 16:37:53 EST
In a message dated 1/19/2008 7:30:07 A.M. Central Standard Time,
writes:
John
Thanks for the update on this one. I wonder if the DYS 447 = 24 is a bit
like DYS 390 = 24. I have observed in our Project, a one step mutation down
from 25 alleles to 24 alleles. I don't know when this occurred, but the
paper
trail between two participants suggests it occurred sometime before 1500,
but
after 1200. I wonder if this has happened in Co. Donegal at a much earlier
date?
I asked John McEwen about that once and he said he thought 25 was the
original value for that marker in R1b1c7. If so then 24 would be a mutation down.
I don't know what the ramifications of this might be with so many
McLaughlins and a fair amount of Dohertys sharing the same value. As Mike said, the
Dohertys are 10 or 56 with 24 at DYS 447. We have 20 McLaughlin R1b1c7 samples
with that value. Out of how many it's difficult to say because we have eight
12 marker R1b1c7 samples we can't tell anything about and another 10 R1b1c7
that are 25, not all of whom are necessarily from the Donegal sept.
Most of the 10 Dohertys with DYS 447 = 24 except two also have YCAIIab =
19-22. One has 19-24; Another is 19-23. Only one R1b1c7 McLaughlin has this
value and he's not in the DYS 447 = 24 group. If this is some kind of shared
value then it must be very old. The two families are said to have split apart
c. 400-500 A.D.
I'd put this down to some kind of NPE from proximity over the centuries
except the Dohertys in this group have markers not shared by the McLaughlins and
vice versa.
It's very puzzling to search for DYS 447 = 24 in Ysearch and find almost
nothing except McLaughlins and Dohertys, a few NPEs and a handful of other
surnames, any one of which could be yet another NPE. It's also puzzling to find
the same thing in a few other Cenel Conaill and Cenel Eoghain families. Just
a coincidence part of a broader trend?
John
**************Start the year off right. Easy ways to stay in shape.
http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489
This thread: