page_title: Haplogroup O-M176
section_title: O-K3
hierarchical_section_title: Haplogroup O-M176 / Distribution / O-K10 / O-K4 / O-K3
caption_attribution_description: English: O1b2a2b-F940
context_page_description: Haplogroup O-M176 or O1b2 is a human Y-chromosome DNA haplogroup. It is best known for its part in the settlement of Korea and Japan. It is a descendant of Haplogroup O-P31, and it has been estimated to share a most recent common ancestor with its nearest outgroup, Haplogroup O-K18, approximately 28,000 [95% CI 25,800 <-> 30,300] years before present.
context_section_description: The O-K3 (or O-F940) lineage is a subclade of O-K4 that has been observed to date in three individuals from Hunan, one individual from Jiangxi, and one individual from Henan.
caption: O1b2a2b-F940
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