Haplogroup E1b1a (Y-DNA)
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In human genetics, Haplogroup E1b1a (M2) is a Y-chromosome haplogroup. From 2002 to 2008, it was known as Haplogroup E3a.
Haplogroup E1b1a is mainly restricted to sub-Saharan Africa. It is barely observed in the Horn of Africa, North Africa, and Southwest Asia, where the E1b1b haplogroup dominates, and its small presence in those areas is generally attributed to the slave trade and/or the Bantu Expansion.
E1b1a is also the single most common Y-chromosome haplogroup among blacks both within and outside of Africa.
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Human Y-chromosome DNA (Y-DNA) haplogroups (by ethnic groups, famous haplotypes) |
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