GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2006-05 > 1147026441


From: ellen Levy <>
Subject: Re: [DNA] R1b page updated
Date: Sun, 7 May 2006 11:27:21 -0700 (PDT)
In-Reply-To: <E1Fclvg-000JN9-Cz@mk-webmail-2.b2b.uk.tiscali.com>


Gareth:

This is really interesting. I got the feeling that
McEvoy's dating (which as noted I think by John, is
based on data from other genetic researchers) is based
primarily on the belief that is sub-clade is absent in
populations outside Spain. This doesn't appear to be
the case though.

Ellen Coffman

--- wrote:

> Ellen
>
> SRY2627+ has been found in three EA customers with
> roots in southern
> Britain - I am one of them.
> I have no idea when or how my paternal line arrived
> in Britain. Our three
> extended haplotypes are all "Atlantic" with some
> off-modal markers but with
> no shared distinctive values. The emerging
> conclusion is that we have no
> recent common paternal ancestry and that our lines
> may not have arrived in a
> single migration.
>
> SRY2627+ occurs throughout Iberia including
> Portugal. Positive results are
> found in small proportions in most studies of
> western Europeans which test
> for this SNP. It would be useful if the surname and
> geographical projects
> covering Portugal, Spain, the Basque Country and
> even France could encourage
> representatives of R1b-AMH family lines to test for
> SRY2627 and also M153
> and M65 which have been found amongst Basques. This
> may be one way of
> distinguishing lines which are too close to the
> modal values to know whether
> they have a recent common ancestry or not.
>
> Gareth
>
>
> ----- Original Message -----
> From: "ellen Levy" <>
> To: <>
> Sent: Sunday, May 07, 2006 4:57 AM
> Subject: RE: [DNA] R1b page updated
>
>
> > John:
> >
> <snip>
> > We discussed SRY2627 (R1b1c6) just a few weeks ago
> on
> > the list. Discussion of the origin and age of
> this
> > clade appears in McEvoy's "The Longue Duree"
> article.
> > He dates it to between 2000-3000 years ago. I
> posted
> > a question as to whether anyone had found evidence
> of
> > the presence sub-clade in the British Isles which
> > would support a more recent migration from Spain
> into
> > the British Isles.
> >
> > Ellen Coffman
> >
> >
> > --- John McEwan <> wrote:
> >
> > > Dear Ellen
> > >
> > > ......
> > >
> > > I think R1b1c6 has to be older than your
> estimate
> > > based on its diversity
> > > relative to R1b1c IF you accept that R1b1c was
> > > present during the LGM.
> > >
> > > Cheers
> > >
> > > John McEwan
>
>
>
> ==============================
> Census images 1901, 1891, 1881 and 1871, plus so
> much more.
> Ancestry.com's United Kingdom & Ireland Collection.
> Learn more: http://www.ancestry.com/s13968/rd.ashx
>
>


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