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That's a very interesting line of reasoning. I believe that this may have been researched earlier owning to presence of yDNA haplogroup R1 in the same tribes as the X2a mtDNA. However, this lineage of R1 was found to be linked to a founder population in Siberia and not the European lineages

Spencer Wells claims that the other major Native American yDNA lineage, Q2, traces directly back to Central Asia.

I did find that a branch of the mtDNA haplogroup X2 was also present in ancient Europe, but I don't think there is any way to link it to the new world populations of X2.

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Subject Views Written By Posted
Haplogroup X 855 Archaic 10-Nov-19 00:46
Re: Haplogroup X 217 AndyBlackard 10-Nov-19 22:03
Re: Haplogroup X 163 thirdpal 13-Nov-19 17:51
Re: Haplogroup X 154 AndyBlackard 14-Nov-19 17:30
Re: Haplogroup X 126 Archaic 14-Nov-19 21:39
Re: Haplogroup X 139 Spiros 15-Nov-19 15:46
Re: Haplogroup X 108 AndyBlackard 18-Nov-19 19:43
Re: Haplogroup X 79 Spiros 20-Nov-19 15:24
Re: Haplogroup X 89 AndyBlackard 21-Nov-19 12:55
Re: Haplogroup X 102 AndyBlackard 18-Nov-19 19:40
Re: Haplogroup X 85 Archaic 24-Nov-19 02:14
Re: Haplogroup X 71 AndyBlackard 24-Nov-19 22:41
Re: Haplogroup X 71 Glass Jigsaw 25-Nov-19 01:28
Re: Haplogroup X 111 Glass Jigsaw 19-Nov-19 02:15
Re: Haplogroup X 131 AndyBlackard 19-Nov-19 15:14
Re: Haplogroup X 87 Glass Jigsaw 20-Nov-19 16:44
Re: Haplogroup X 91 Susan Doris 20-Nov-19 15:48
Re: Haplogroup X 94 AndyBlackard 21-Nov-19 14:48
Re: Haplogroup X 98 Glass Jigsaw 21-Nov-19 18:45
Re: Haplogroup X 105 Susan Doris 22-Nov-19 12:03
Re: Haplogroup X 128 CJD1965 25-Nov-19 02:03

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