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.
| Haplogroup D-Z27276 | |
|---|---|
| Possible time of origin | 30,000-40,000YBP[1] |
| Possible place of origin | East Asia |
| Ancestor | （Grandparent）D |
| Descendants | D-M15, D-P99 |
| Defining mutations | Z27276, Z27283, Z29263 |
| Highest frequencies | Tibetans |
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This group is found in about 46.6% Tibetan people.[2] It branched off D-M55 35,000-40,000 years before present or already 53,000 years before present.[1][3]
One sample of a subgroup of D-Z27276 was also found among ancient samples of the Koban culture between Russia and Georgia.[4]
Phylogenetic tree
By ISOGG tree（Version: 14.151）.[5]
- DE (YAP)
- D (CTS3946)
- D1 (M174/Page30, IMS-JST021355, Haplogroup D-M174)
- D1a (CTS11577)
- D1a1 (F6251/Z27276)
- D1a1a (M15) Tibet, Altai Republic, Mainland China
- 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）[7][6]
- D1a1 (F6251/Z27276)
- D1b (L1378) Philippines[8]
- D1a (CTS11577)
- D2 (A5580.2) Nigeria, Saudi Arabia, African Americans in the United States, Syria[9][10]
- D1 (M174/Page30, IMS-JST021355, Haplogroup D-M174)
- D (CTS3946)