单倍群O-M119

单倍群O-M119
起源时间	33,103 [95% CI 24,460 <-> 40,854] years ago (Karmin 2015[1]) 34,100 or 29,200 years ago (Poznik 2016[2]) 30,000 [95% CI 27,900 <-> 32,200] years before present (YFull 2018[3])
共祖年代	16,538 [95% CI 11,755 <-> 21,147] years ago (Karmin 2015[1]) 17,600 [95% CI 15,600 <-> 19,600] years before present (YFull 2018[3])
起源地	中国南方(推測)
上游单倍群	單倍群 O-F265
对应突变	M119
分布区域	華南、台灣、菲律賓、马来群岛、太平洋島嶼、马达加斯加

在人类遗传学中，单倍群O-M119是一个Y染色体DNA单倍群。单倍群O-M119又稱O1a，是O-F265(O1)单倍群的一个后裔分支，亦是单倍群O-M175(O)现存的主要后裔分支之一^[4]。单倍群O-M119分支被认为是在晚更新世（英语：Late Pleistocene）時期（旧石器时代晚期）的中国大陆演變形成的。

参考文献

1. Monika Karmin, Lauri Saag, Mário Vicente, et al., "A recent bottleneck of Y chromosome diversity coincides with a global change in culture." Genome Research (2015) 25: 459-466. doi: 10.1101/gr.186684.114
2. G. David Poznik, Yali Xue, Fernando L. Mendez, et al., "Punctuated bursts in human male demography inferred from 1,244 worldwide Y-chromosome sequences." Nature Genetics 2016 June ; 48(6): 593–599. doi:10.1038/ng.3559.
3. YFull Haplogroup YTree v6.03.19 at 24 July 2018
4. https://isogg.org/tree/ISOGG_HapgrpO.html （页面存档备份，存于互联网档案馆）: "MSY2.2 was removed from tree because not providing reliable results."