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Not exactly. The article claims that Transeurasian ancestor was an Asian and Altaic derived from it. But how? In order for a language can develop and shape into another language, it must interact with another or must live isolated for thousands of years. I doubt Turkic was isolated considering they have got a massive living zone for a proto population. Then the explanation is probably the migration of Transeurasian speakers to the region from the South of Altai to the West of Baikal and transforming there by contact with the natives. We can observe the shift from Trans-Baikal to the Baikal N, and Baikal_N comes out as a half-half mix of Amur and Ust Ida. That's probably how Proto Altaic was born.
And these are the HGs found in the region during the Neolithic. Blue boxes are R1b, reds are Q, light-blue ones are C, purple ones are N. One can estimate where Turks have lived just by looking at, just reference the N and Q. But the more important thing here is that these R1bs are staying in their roaming zone, around Altais. Moreover, Altai_MLBA(Proto Turkic) samples seem to have a certain amount from this R1b admixture.
The one above is a Neolithic spreading map. Now compare it with the Bronze Age and note the migration of N's. Both red and green weird things are Q, green circles are R1a.
N were migrated to the Westwards around Altai and the region surrounded by R1's (and a very small amount J, there was only a clade if I recall). That's prolly how the Turkic language should have evolved; Transeurasian speaker being full Asian doesn't mean the rest were assimilated until some point. Assimilation begins in Xiongnu, many of the J clades have origin from Iranics of the confederation for example. But R comes out as a founding member of Turkicness as the language developed following the interaction with them even though the language inherited from the Altaic ancestor. These are my conclusions, at least.
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