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Archiver > GENEALOGY-DNA > 2008-05 > 1211344620


From: "David Faux" <>
Subject: Re: [DNA] S21/S28 Split+m223 stuff
Date: Tue, 20 May 2008 21:37:00 -0700
References: <207139.21553.qm@web57006.mail.re3.yahoo.com>
In-Reply-To: <207139.21553.qm@web57006.mail.re3.yahoo.com>


This is a very important point Mike. I have asked FTDNA to flag those who
are R1b1b2* who have taken the preliminary SNP testing (old R1b1c1-8),
contrasted to those who are R1b1b2* after taking the full monte. Hopefully
they can develop a color code or something of this nature. I was assured
that they were working on this. Of course now we really need S116+ to be
similarly demarcated. In the meanwhile the figures below are a pretty good
estimate although I would say that 30% S21+ (including S26 and S29) would be
more accurate. There will be strong regional differences of course. The
largest percentages I have seen is for northern Netherlands at 65 to 75% of
R1b1b2. Unfortunately overall assesment of percentages reflect the bias in
the data - with British and Irish predominating in the databases. The
percentage of S28+ on the Continent may be closer to 35% (an early analysis
by John McEwan showed this - but again there was a Central European skewing
here).

David K. Faux.


On 5/20/08, Michael Maddi <> wrote:
>
> Ken Nordtvedt wrote:
>
> 2. No one has mentioned a percent, let alone a percent
> based on data, of what fraction of western Europe M269
> is supposed to be either S21+ or S28+ Does not the
> other M269+ in that part of the world count?
>
> My reply:
>
> I believe that Ethnoancestry or David Faux reporting
> on behalf of Ethnoancestry had estimated S21 as about
> 25% of R1b-M269 and S28 as about 10%. But that was
> perhaps a year or two ago.
>
> I do know that the percentage of R1b-M269 with
> DYS492=13 was running consistently about 29% last
> year. This was when I was checking regularly in Ron
> Scott's updated compiling of R1b-M269 haplotypes from
> ysearch. While it's true that DYS492=13 is not a 100%
> accurate predictor of S21+ status, it's pretty darn
> close. In the R1b-U106 projects, with over 125
> haplotypes with 67 markers, we have 96% with
> DYS492=13. We just had our first couple of members
> with DYS492=12.
>
> So, I think if a large database of R1b-M269 has about
> 29% with DYS492=13, the figure of about 25% S21+ in
> R1b-M269 sounds fairly accurate.
>
> Mike Maddi
>
>
>
>
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