GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2009-12 > 1260935164
From: tel <>
Subject: Re: [DNA] R-L21 Plus news - downstream branches to be better defined
Date: Tue, 15 Dec 2009 19:46:04 -0800
On Tue, Dec 15, 2009 at 7:27 PM, Michael Walsh <> wrote:
> ---> My response:
> A number of genealogical geneticists have already indicated that at
> least 67 markers are needed to discern between R1b1b2 people. Most
> notable, probably, is Dr. Michael Hammer's statements to this effect
> this March. The problem is that R1b1b2 people's haplotypes look very
> much alike so more markers are needed to differentiate between people.
> There are cases of 25 of 25 or 35 of 37 matches that turned out to be
> in totally different sub-clades of R1b1b2.
This is true of some but by no means all R1b1b2. My father has no false
matches even at the 22/25 level.