在人類遺傳學中,單倍群O-M119是一個Y染色體DNA單倍群。單倍群O-M119又稱O1a,是O-F265(O1)單倍群的一個後裔分支,亦是單倍群O-M175(O)現存的主要後裔分支之一[4]。單倍群O-M119分支被認為是在晚更新世英語Late Pleistocene時期(舊石器時代晚期)的中國大陸演變形成的。

Quick Facts 單倍群O-M119, 起源時間 ...
單倍群O-M119
起源時間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])
起源地中國南方(推測)
上游單倍群單倍群 O-F265
對應突變M119
分佈區域華南台灣菲律賓馬來群島太平洋島嶼馬達加斯加
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