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Archiver > DNA-R1B1C7 > 2008-04 > 1207243459


From: "Paul Conroy" <>
Subject: Re: [DNA-R1B1C7] R1b1b2e??
Date: Thu, 3 Apr 2008 13:24:19 -0400
References: <e0d2d2870804030636p17930c1ey2bd6650bd4088230@mail.gmail.com>
In-Reply-To: <e0d2d2870804030636p17930c1ey2bd6650bd4088230@mail.gmail.com>


I agree M222+ is completely disambiguous!

On Thu, Apr 3, 2008 at 9:36 AM, David Ewing <> wrote:

> Sure, Mitch. But you ain't seen nothing yet.
>
> A new Y Chromosome Consortium tree has just been published, updating the
> one
> we have been using since 2002 and incorporating a number of new SNPs,
> which
> required some restructuring and extensive re-naming of the old tree. What
> was R1b1c7 on the old tree is R1b1b2e on the new tree. In a situation
> analogous to the one we run into when counties are subdivided, we have
> found
> ourselves living in a new county even though we haven't moved. For us,
> nothing has really changed but the name: both R1b1c7 and R1b1b2e are
> defined
> by M222+ (and the upstream markers that all men who are M222+ have).
>
> This is going to cause no end of confusion. I have an idea that we will
> eventually move toward naming haplgroup subclades by using the SNP names
> only. For example, rather than calling the terminal branch we belong to
> R1b1c7 or R1b1b2e, why don't we just call ourselves M222+?
>
> I will send you a copy of the new YCC paper off list, because I can't send
> attachments to the list. It is: New binary polymorphisms reshape and
> increase resolution of the human Y chromosomal haplogroup tree, by Tatiana
> M. Karafet, Fernando L. Mendez, Monica B. Meilerman, Peter A. Underhill,
> Stephen L. Zegura, and Michael F. Hammer.
>
> David Ewing
>
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