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From: "David Wilson" <>
Subject: Re: [DNA] R1b Among Native American Men
Date: Sun, 30 Oct 2005 13:05:38 -0800


Ann, thank you for piercing the veil on this. I note the Hammer paper
identifies its study populations precisely, and the AME group (n=273) is
about 55% Navajo/Cheyenne/Pima and 45% Mayan/Mixtec/Wayu. Given what I
believe is the demographic dominance of mestizo populations in Mexico and
some Central American countries, perhaps an overall admixture rate of 12
percent is not out of the question. I admit I was thinking parochially when
I read the initial post, and I just didn't see how there could be a 12% R1b
rate among Huron, Seminole, Creek, Sioux, Hopi, Miwok, Inuit, etc. -- all
the groups whose territories lie within Canada and the US.

Interesting that the Hammer table shows R1b as the ONLY haplogroup with
significant presence in both Europe and the Americas.

David W.


On 10/30/2005 8:24:26 AM, wrote:
> Oppenheimer refers to haplogroup R as Ruslan (like Sykes giving names to
> mtDNA haplogroups). With that little bit of insider knowledge, I found the
>
> reference on page 329 (another keyword to narrow the search would be
> Baikal), but
> things
> don't hang together too well. The SNP tree on page 329 shows M173-M207,
> which would just be haplogroup R. But the text says that this is found in
30% of
> Europeans and 12% of Native Americans, seemingly too low for the former
and
> too high for the latter, based on other studies. Oppenheimer said it was
> "higher than could be explained by recent European admixture."
>
> The footnote refers to haplotype 37 in Hammer's
> 2001 "Hierarchical patterns
> of global human Y-chromosome diversity"
> http://www.ftdna.com/pdf/Hammer_MBE_2001.pdf. This predates the 2002 YCC
> tree, but the percentages are as given in
> Oppenheimer. However, the SNP for this haplotype is given as DYS194-469
> (the
> 469 is written as a subscript).
>
<<snip>>

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