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The European and middle-eastern branch of X belongs to X1. The Native American branch is X2a. The related lineage X2 is found in central Asia in the Altai Mountains. Neandertals were also present in the Altai which may correlate with the higher proportion of neandertal sequences found in Native Americans. In fact, all 5 Native American mtDNA groups are found in the Altai. The Altai appears to be that lone dot of X DNA on your map in the middle of Central Asia. But as you noted, these DNA lineages are not found collectively in Siberia near the theoretical Beringia. Similarly, the long-skulled phenotype of South America was also found in Central Asia. This is truly a mystery, but it somehow connects Native Americans to Central Asia in several respects.

EDIT: I found that, based on more-recent information, the X2 haplogroup is found in Europe but mainly X2b and X2c.

Edited 3 time(s). Last edit at 21-Nov-19 16:15 by AndyBlackard.

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Subject Views Written By Posted
Haplogroup X 874 Archaic 10-Nov-19 00:46
Re: Haplogroup X 227 AndyBlackard 10-Nov-19 22:03
Re: Haplogroup X 180 thirdpal 13-Nov-19 17:51
Re: Haplogroup X 165 AndyBlackard 14-Nov-19 17:30
Re: Haplogroup X 136 Archaic 14-Nov-19 21:39
Re: Haplogroup X 152 Spiros 15-Nov-19 15:46
Re: Haplogroup X 119 AndyBlackard 18-Nov-19 19:43
Re: Haplogroup X 93 Spiros 20-Nov-19 15:24
Re: Haplogroup X 101 AndyBlackard 21-Nov-19 12:55
Re: Haplogroup X 114 AndyBlackard 18-Nov-19 19:40
Re: Haplogroup X 98 Archaic 24-Nov-19 02:14
Re: Haplogroup X 86 AndyBlackard 24-Nov-19 22:41
Re: Haplogroup X 87 Glass Jigsaw 25-Nov-19 01:28
Re: Haplogroup X 123 Glass Jigsaw 19-Nov-19 02:15
Re: Haplogroup X 142 AndyBlackard 19-Nov-19 15:14
Re: Haplogroup X 99 Glass Jigsaw 20-Nov-19 16:44
Re: Haplogroup X 102 Susan Doris 20-Nov-19 15:48
Re: Haplogroup X 107 AndyBlackard 21-Nov-19 14:48
Re: Haplogroup X 109 Glass Jigsaw 21-Nov-19 18:45
Re: Haplogroup X 115 Susan Doris 22-Nov-19 12:03
Re: Haplogroup X 149 CJD1965 25-Nov-19 02:03

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