Haplogroup D-Z27276

Haplogroup D-Z27276 also known as Haplogroup D1a1 is a Y-chromosome haplogroup. It is one of two branches of Haplogroup D1, one of the descendants of Haplogroup D. The other is D-M55 which is only found in Japan.

This group is found in about 46.6% Tibetan people. It branched off D-M55 35,000-40,000 years before present or already 53,000 years before present.

One sample of a subgroup of D-Z27276 was also found among ancient samples of the Koban culture between Russia and Georgia.

Phylogenetic tree
By ISOGG tree（Version: 14.151）.


 * DE (YAP)
 * D (CTS3946)
 * D1 (M174/Page30, IMS-JST021355, Haplogroup D-M174)
 * D1a (CTS11577)
 * D1a1 (F6251/Z27276)
 * D1a1a (M15)　Tibet, Altai Republic, Mainland China
 * D1a1a (F849)
 * D1a1a1 (N1)
 * D1a1a1a (Z27269)
 * D1a1a1a1 (PH4979)
 * D1a1a1a1a2 (F729)
 * D1a1a1a1a2a (F17412)
 * D-F17412* Tibetan (Chamdo ), Taiwan 
 * D-MF10280 Sichuan, Japan (Osaka) 
 * D1a1a1a1a2b (Y62194)
 * D1a1a1a1a2b1 (F17409) Tibetan (Chamdo ), Sichuan 
 * D1a1a1a1a2b2 (Y62517)
 * D1a1a1a1a2b2a (F16077) Tibetan (Shigatse, Shannan, Lhasa )
 * D1a1a1a1a2b2b (Y69263)
 * D1a1a1a1a2b2b1 (Y161914) Tibetan (Chamdo ), Zhejiang 
 * D1a1a1a1a2b2b2 (Y61759) Uzbekistan 
 * D1a1a1a2 (Z31591) Tibetan (Shigatse, Lhasa )
 * D1a1a2 (F1070) Guangdong, Xishuangbanna (Dai) 
 * D1a1b (P99)　Tibet, Mongol, Central Asia, Altai Republic, Mainland China
 * D1a2 (Z3660)
 * D1a2a (M64.1/Page44.1, M55) 　 Japan（Yamato people、Ryukyuan people、Ainu people）
 * D1a2b (Y34637)　Andaman Islands（Onge people, Jarawa people）
 * D1b (L1378) 　 Philippines
 * D2 (A5580.2) 　Nigeria, Saudi Arabia, African Americans in the United States, Syria