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| Haplogroup O-M268 | |
|---|---|
| Possible time of origin | 34,100 or 29,200 ybp[1] 33,181 [95% CI 36,879 <-> 24,461] ybp[2] 30,100 [95% CI 27,800 <-> 32,400] ybp[3] |
| Coalescence age | 31,108 [95% CI 34,893 <-> 22,844] ybp[2] |
| Possible place of origin | Southeast Asia or East Asia[3] |
| Ancestor | O1 (O-F265) |
| Descendants | O1b1 (K18), O1b2 (P49/https://en.wikipedia.orgview_html.php?sq=Facebook&lang=en&q=Draft:Haplogroup_O-M176) |
| Defining mutations | P31, M268, L690/F167, F256/M1341, Y9038/FGC19644, L463/F330, M1461, F138, Y9317, FGC55566, F292/M1363, CTS4164, CTS6713/M1396, CTS5785/M1377, F435/M1417, F516, M1455 |
| Highest frequencies | Austroasiatic-speaking peoples, Tai peoples, Hlai, Balinese, Javanese, Japanese, Ryukyuans, Koreans, Malagasy |
In human genetics, Haplogroup O-M268, also known as O1b (formerly Haplogroup O2), is a Y-chromosome DNA haplogroup. Haplogroup O-M268 is a primary subclade of haplogroup O-F265, itself a primary descendant branch of Haplogroup O-M175.
- ^ G. David Poznik, Yali Xue, Fernando L. Mendez, et al., "Punctuated bursts in human male demography inferred from 1,244 worldwide Y-chromosome sequences." Nat Genet. 2016 June ; 48(6): 593–599. doi:10.1038/ng.3559.
- ^ a b Monika Karmin, Rodrigo Flores, Lauri Saag, Georgi Hudjashov, Nicolas Brucato, Chelzie Crenna-Darusallam, Maximilian Larena, Phillip L Endicott, Mattias Jakobsson, J Stephen Lansing, Herawati Sudoyo, Matthew Leavesley, Mait Metspalu, François-Xavier Ricaut, and Murray P Cox, "Episodes of Diversification and Isolation in Island Southeast Asian and Near Oceanian Male Lineages," Molecular Biology and Evolution, Volume 39, Issue 3, March 2022, msac045, https://doi.org/10.1093/molbev/msac045
- ^ a b YFull Haplogroup YTree v5.04 at 16 May 2017