單倍群P (或P-P295、K2b2)是一個Y染色體DNA單倍群

單倍群P (K2b2)
起源時間約3.5萬 距今[1]
共祖年代{{{TMRCA}}}
起源地東南亞 [2][3]
上游單倍群K2b [4]
下游單倍群單倍群P1 (P-M45) 以及 單倍群P2 (P-B253).
P1是單倍群Q單倍群R的祖先。
對應突變P295/PF5866/S8, 92R7_1, 92R7_2, F91/PF5862/V231

起源與分佈

編輯

單倍群P(K2b2)與單倍群K2b1(SM)共同源於單倍群K2b。P-P295有兩個分支:P1 (P-M45)和 P2 (P-B253)。[5][1]

目前阿埃塔人安達曼人等有發現P*,雖然在東西伯利亞中亞都有發現P*,但是P可能起源於東南亞,然後向北邊遷移。[1][6]

P1是單倍群Q單倍群R的祖先,目前單倍群R主要分佈在印歐人巴斯克人馬扎爾人巴什基爾人烏孜別克人柯爾克孜人阿爾泰人等,單倍群Q主要分佈於美洲原住民楚科奇人堪察加人葉尼塞人圖瓦人土庫曼人等。

P2目前有分佈於菲律賓

其他

編輯

人類Y染色體DNA單倍型類群進化樹

Y染色體最近共同祖先
A
A1b A1a-T
A1a A2-T
A2 A3 BT
B CT
DE CF
D E C F
G H IJK
IJ K
I J LT K(xLT)
L T M NO P S
O N Q R

各族群Y染色體單倍型類群 · 著名的Y染色體單倍型類群人

參考文獻

編輯
  1. ^ 1.0 1.1 1.2 ISOGG, 2016, Y-DNA Haplogroup P and its Subclades – 2016頁面存檔備份,存於網際網路檔案館) (20 June 2016).
  2. ^ The island of Luzon, in the Philippines is the only known location of P2 (P-B253) and one of only a few locations for P*; it also features P1* (M45). See, for example: Tumonggor, Karafet et al., 2014, "Isolation, contact and social behavior shaped genetic diversity in West Timor", Journal of Human Genetics Vol. 59, No. 9 (September), pp. 494–503, and; E. Heyer et al., 2013, "Genetic Diversity of Four Filipino Negrito Populations from Luzon: Comparison of Male and Female Effective Population Sizes and Differential Integration of Immigrants into Aeta and Agta Communities", Human Biology, Vol. 85, Iss. 1, p. 201
  3. ^ Tatiana M Karafet et al. 2015, "Improved phylogenetic resolution and rapid diversification of Y-chromosome haplogroup K-M526 in Southeast Asia", European Journal of Human Genetics, No. 23, pp. 369–373.
  4. ^ http://biorxiv.org/content/early/2013/11/22/000802.1
  5. ^ That is, Haplogroup K2b1a and M [(K2b1d), are now dominant among males in Melanesia and are also significant in adjoining parts of Oceania and the Malay Archipelago.
  6. ^ Moreno-Mayar et Al., Early human dispersals within the Americas頁面存檔備份,存於網際網路檔案館), see Supplementary Materials, Table S9. Y chromosome and mtDNA description of new ancient sequences : HistAndaman, Y haplogroup P-295. Included in Yfull tree頁面存檔備份,存於網際網路檔案館