Description

C2a1a (P93) is the primary subclade of C2a1 and encompasses the vast majority of C2a1 carriers in East Asia. It diversified in the region during the late Paleolithic and Neolithic, giving rise to three main branches distributed across Korea, China, and surrounding areas. C2a1a was part of the demographic expansion of early East Asian populations and is found across sedentary agricultural and semi-agricultural societies.

Interesting Fact

C2a1a (P93) is the common ancestor of virtually all modern East Asian C2a1 lineages — its three descendant branches partition the variation found among Han Chinese, Koreans, Japanese, Manchu, and neighboring populations.

Distribution by Ethnicity

Ethnic distributionRegionFrequencySample
KoreansEast Asia
5%
n=800
ManchuEast Asia
4%
n=150
Han ChineseEast Asia
3%
n=2000
JapaneseEast Asia
3%
n=1000

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References

  1. Wei et al. (2018) — Phylogenetic analysis of the Y-chromosome haplogroup C2b-F1067. PLOS ONE 13(5), e0197744.