Another brother clade, Haplogroup O-P31, has an impressive extent of dispersal, as it is found among the males of populations as widely separated as the Kolarians of India and the Japanese of Japan; however, Haplogroup O-P31's distribution is much more patchy, and the Haplogroup O-P31 Y-chromosomes found among the Mundas and the Japanese belong to distinct subclades.
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In a paper published in 2012, O3*-M122(xO3a-P200) Y-DNA was found in 12% (3/25) of a sample of Lao males from Luang Prabang, Laos.
Human mitochondrial DNA haplogroup | haplogroup | Human Y-chromosome DNA haplogroup | Haplogroup O-P31 (Y-DNA) | Haplogroup O-P31 | Haplogroup O-M95 (Y-DNA) | Haplogroup O-M95 | Haplogroup |
Patrilines within Haplogroup O-M95 predominate among the Austroasiatic-speaking populations of South and Southeast Asia, such as the Khmer of Cambodia and the Khasi of Meghalaya in northeastern India.
Like all clades of Haplogroup O-M175, Haplogroup O-P31 is found only among the males of modern Eastern Eurasian populations.
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One of these subclades, Haplogroup O-M95, is found among some (mostly tribal) populations of South and Southeast Asia, as well as among the Khmers of Cambodia and the Balinese of Indonesia.