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Archaeogenetics

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In human genetics, Haplogroup Q (M242) is a Y-chromosome haplogroup.

This haplogroup contains the patrilineal ancestors of many Siberians and (through its subgroup Q3) almost all of the indigenous peoples of the Americas.

Haplogroup Q is a branch of haplogroup P (M45). It is believed to have arisen in Siberia approximately 15,000 to 20,000 years ago.

The initial migration from Asia into Alaska across the Bering Strait was done by haplogroup Q populations, approximately 15,000 years ago. This founding population spread throughout the Americas.

Once in the Americas, haplogroup Q underwent a mutation, producing its descendant haplogroup Q3 (M3), which is the Y-chromosome haplotype of almost all of the indigenous peoples of the Americas.

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