DNA-R1B1C7-L ArchivesArchiver > DNA-R1B1C7 > 2007-08 > 1186753019
From: "Paul Conroy" <>
Subject: Re: [DNA-R1B1C7] R1b1c7 in Scotland
Date: Fri, 10 Aug 2007 09:36:59 -0400
Well that's a big problem when working out genealogies, if a user matches
all modal NW Irish STR's, but doesn't have the M222 SNP.
That's why, ideally more people would be tested, and then there would be
enough confirmed R1b1c7's to analyze.
Right now, it seems to me, that we don't know if M222 is a subset or
superset of the NW Irish modal.
On 8/9/07, <> wrote:
> In a message dated 8/9/2007 1:59:35 P.M. Central Standard Time,
> I also urge everyone to take the SNP test and determine accurately if you
> are M222 or not - of course if you have the same STR values as a close
> relative, this wouldn't be necessary. This way we can eliminate false
> positives, which can arise due to convergence. For instance I myself
> have a
> Genetic Distance (GD) from the R1b1c7 modal - as outlined here
> http://www.m222.net/R1b1c7 - as follows:
> 12-markers - GD of 1
> 25-markers - GD of 5
> 37-markers - GD of 14
> Your Ysearch ID is DFG6F, isn't it? I would have picked out your STRs as
> Irish or R1b1c7 despite the divergence from the modal. But you do raise
> interesting point. I wonder how many R1b1c7 matches really aren't M222+
> to convergence?
> David Wilson posted an interesting example a few months ago about a
> who matched the NW Irish modal in STRs but has been tested (and retested)
> M222 and consistently found negative. If you want to see the sample go
> the Wilson Surname Project at FTDNA. He is listed under the heading
> "R1b1c7-predecessor?" in the condensed format version.
> If there is one there must be more.
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|Re: [DNA-R1B1C7] R1b1c7 in Scotland by "Paul Conroy" <>|