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Haplogroup Q3 (Y-DNA)
In human genetics, Haplogroup Q3 (M3) is a Y-chromosome DNA haplogroup.
Additional recommended knowledge
This haplogroup contains the patrilineal ancestors of almost all of the indigenous peoples of the Americas.
Haplogroup Q3 is a descendant of Haplogroup Q (M242). Since the parent Q (M242) appears in both Asia and the Americas, while Q3 (M3) appears only in the Americas, it is believed that the mutation M3 occurred in North America after migration across the Bering Strait had ceased.
The only Y-chromosomes believed to represent patrilineal descent from one of the indigenous peoples of the Americas that are not of Haplogroup Q* (M242) or Haplogroup Q3 (M3) are those of Haplogroup C3 (M217), which is commonly found among today's Na-Dené speakers. Na-Dené speakers are also unusual among indigenous peoples of the Americas in having a relatively high frequency of Q* and C and a low frequency of Q3.
The subclades of Haplogroup Q3 with their defining mutation, according to the 2006 ISOGG tree:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Haplogroup_Q3_(Y-DNA)". A list of authors is available in Wikipedia.|