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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 817 Archaic 10-Nov-19 00:46
Re: Haplogroup X 196 AndyBlackard 10-Nov-19 22:03
Re: Haplogroup X 140 thirdpal 13-Nov-19 17:51
Re: Haplogroup X 132 AndyBlackard 14-Nov-19 17:30
Re: Haplogroup X 112 Archaic 14-Nov-19 21:39
Re: Haplogroup X 122 Spiros 15-Nov-19 15:46
Re: Haplogroup X 90 AndyBlackard 18-Nov-19 19:43
Re: Haplogroup X 67 Spiros 20-Nov-19 15:24
Re: Haplogroup X 72 AndyBlackard 21-Nov-19 12:55
Re: Haplogroup X 84 AndyBlackard 18-Nov-19 19:40
Re: Haplogroup X 69 Archaic 24-Nov-19 02:14
Re: Haplogroup X 53 AndyBlackard 24-Nov-19 22:41
Re: Haplogroup X 54 Glass Jigsaw 25-Nov-19 01:28
Re: Haplogroup X 98 Glass Jigsaw 19-Nov-19 02:15
Re: Haplogroup X 105 AndyBlackard 19-Nov-19 15:14
Re: Haplogroup X 73 Glass Jigsaw 20-Nov-19 16:44
Re: Haplogroup X 79 Susan Doris 20-Nov-19 15:48
Re: Haplogroup X 75 AndyBlackard 21-Nov-19 14:48
Re: Haplogroup X 84 Glass Jigsaw 21-Nov-19 18:45
Re: Haplogroup X 88 Susan Doris 22-Nov-19 12:03
Re: Haplogroup X 96 CJD1965 25-Nov-19 02:03

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