Haplogroup D1a (Y-DNA)
| Haplogroup D-Z27276 | |
|---|---|
| Possible time of origin | 30,000-40,000YBP |
| Possible place of origin | East Asia |
| Ancestor | （Grandparent）D |
| Descendants | D-M15, D-P99 |
| Defining mutations | Z27276, Z27283, Z29263 |
| Highest frequencies | Tibetans, part of Yao people |
Haplogroup D-Z27276 also known as Haplogroup D1a is a Y-chromosome haplogroup. It is one of two branches of Haplogroup D1, one of the descendants of Haplogroup D. The other is D1b.
This group is found in about 49% Tibetan people, part of Yao people and so on. It branched off Haplogroup D1b (Y-DNA) 35,000-40,000 years before present.
By ISOGG tree（ver.12.241）.
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