Insights into the origin of rare haplogroup C3* Y chromosomes in South America from high-density autosomal SNP genotyping.

Abstract excerpt

The colonization of Americas is thought to have occurred 15-20 thousand years ago (Kya), with little or no subsequent migration into South America until the European expansions beginning 0.5 Kya. Recently, however, haplogroup C3* Y chromosomes were discovered in two nearby Native American populations from Ecuador. Since this haplogroup is otherwise nearly absent from the Americas but is common in East Asia, and...

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