суббота, 5 октября 2019 г.

Is Yamnaya overrated?

Four years after the publication of the seminal ancient DNA paper Massive migration from the steppe is a source for Indo-European languages in Europe by Haak et al., we’re still waiting for some of its loose ends to be finally tied up with new samples. In particular…



— if the men of the Corded Ware culture (CWC) were, by and large, derived from the population of the Yamnaya culture, then where are the Yamnaya samples with R1a-M417, the main CWC Y-haplogroup?
— if the men of the Bell Beaker culture (BBC) were also, by and large, derived from the population of the Yamnaya culture, then where are the Yamnaya samples with R1b-P312, the main BBC Y-haplogroup?
— and, most crucially, if R1b-L51, which includes R1b-P312, and is nowadays by far the most important Y-haplogroup in Western Europe, arrived there from the Pontic-Caspian steppe, then why hasn’t it yet appeared in any of the ancient DNA from this part of Eastern Europe or surrounds, except of course in samples that are too young to be relevant?




I’m certainly not suggesting that, in hindsight, the said paper now looks fundamentally flawed. In fact, I’d say that it has aged remarkably well, especially considering how fast things are moving in the field of ancient genomics.
But those loose ends really need tying up, one way or another. It’s now time.
So someone out there, please, let us know finally if you have the relevant Yamnaya samples. And if you don’t, that’s OK too, just tell us what you do have. Indeed, it’d be nice know a few basic details about the thousands of samples that have been successfully sequenced in various labs and are waiting to be published. A lot of people would appreciate it.
See also…
Corded Ware as an offshoot of Hungarian Yamnaya (Anthony 2017)
Hungarian Yamnaya > Bell Beakers?
Late PIE ground zero now obvious; location of PIE homeland still uncertain, but…

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