| Peoples from Sintashta culture | |
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| Tweet Topic Started: Apr 8 2018, 01:03:13 PM (47 Views) | |
| black man | Apr 8 2018, 01:03:13 PM Post #1 |
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The Right Hand
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The samples to which Narasimhan et al. 2018 refer are mostly from the Kamennyi Ambar 5 cemetery. R1a and R1b seem to have been the two major y hgs. Further, Q-M346+ could have been present in a minority. (Note that they don't seem to have tested all samples for all markers. Thus, some samples might appear to be less in less derived hgs.) As for the mtDNA hgs, U5a and U2e are among those which occur repeatedly. In the bars of their fig. S3.21 you'll have to distinguish between "Sintashta_MLBA" and "Sintashta_MLBA_o2" on the one hand and "Sintashta_MLBA_o", "Sintashta_MLBA_o1" and "Sintashta_MLBA_o3". The latter samples seem to have been more influenced by people like the hunter-gatherers in NE Europe. That said, the two Sintashta Q samples are from the "o1" remains with the mtDNA hgs of the latter appearing to be WEA. So Q must be from admixture likely to be associated with the light olive "component" in the bars, which is most present in the Okunev and Kenes/Kanai samples. Now, there are no available mtDNA data of the according samples. But the y hg of the Kenes/Kanai sample ("SP37"), "C2b", implies a kind of "relatively eastern" Eurasian background of that particular "component" especially when you associate it with y hg Q and that particular region. Since the more South Asian samples also have that component, it is furthermore probably a regionally specific "component" rather than what one would first of all associate with present-day EEAs. Source: Narasimhan et al. 2018: "The Genomic Formation of South and Central Asia"; doi: 10.1101/292581 |
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