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Archiver > GENEALOGY-DNA > 2007-05 > 1178110576


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] SNP or haplotype confusion between M and I1b2a ?
Date: Wed, 2 May 2007 06:56:16 -0600
References: <BAY111-DAV5906A650BF866F5229D88B1420@phx.gbl>


bmypv is even I1b2a1 with no doubt the M284+ mutation

----- Original Message -----
From: "Lawrence Mayka" <>
To: <>
Sent: Wednesday, May 02, 2007 5:14 AM
Subject: [DNA] SNP or haplotype confusion between M and I1b2a ?


> FTDNA just (weakly) predicted an Armenian to be of Hg M. I think it much
> more likely that he's a K2, but I decided to research Hg M just in case.
> I
> found 6 men on Ysearch who claim to be M or M1 and who provide haplotypes:
>
> BMYPV, 2UZ7C, 5HRXZ, AS3H2, BE68R, DCVJH
>
> Of these, 5HRXZ is clearly R1b; let's write him off as a customer entry
> error. AS3H2 has a G2 fitness score of 58 on Athey's predictor; let's
> assume for the moment that his M result was a lab error.
>
> _All_ of the other 4 are I1b2a, according to Athey's predictor. DCVJH has
> an I1b2a fitness score of only 31, but the others have I1b2a fitness
> scores
> of 68 or higher.
>
> These cannot be merely coincidental errors, either customer or laboratory.
> Here are a couple of possibilities:
>
> - Could members of I1b2a have an SNP that is normally associated with M or
> M1? An analogous example is P37, which both I1b1 and D2 have. One can
> still see a couple of Ysearch entries marked D2 that are probably actually
> I1b1.
>
> - Could FTDNA have happened to test an M or M1 member, early on, whose
> haplotype looked enough like I1b2a to throw off FTDNA's haplogroup
> prediction algorithm (at an earlier time when FTDNA has not yet
> encountered
> many I1b2a customers)?
>
> I have sent Ysearch messages to all 6 men, asking them to recheck their
> Ysearch entry against the Haplogroup tab of their FTDNA account page.
>
> The bottom line, though, is that I am not at all confident that Ysearch
> has
> even a single bonafide Hg M entry.
>
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