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.By ISOGG tree（Version: 14.151）.
- DE
- *D
- **D1
- ***D1a
- ****D1a1
- *****D1a1a Tibet
- ******D1a1a
- *******D1a1a1
- ********D1a1a1a
- *********D1a1a1a1
- **********D1a1a1a1a2
- ***********D1a1a1a1a2a
- ************D-F17412* Tibetan, Taiwan
- ************D-MF10280 Sichuan, Japan
- ***********D1a1a1a1a2b
- ************D1a1a1a1a2b1 Tibetan, Sichuan
- ************D1a1a1a1a2b2
- *************D1a1a1a1a2b2a Tibetan
- *************D1a1a1a1a2b2b
- **************D1a1a1a1a2b2b1 Tibetan, Zhejiang
- **************D1a1a1a1a2b2b2 Uzbekistan
- *********D1a1a1a2 Tibetan
- *******D1a1a2 Guangdong, Xishuangbanna
- *****D1a1b Tibet, Mongol, Central Asia
- ****D1a2 Japan（Yamato people、Ryukyuan people、Ainu people）
- ****D1a3 Andaman Islands（Onge people, Jarawa people）
- ***D1b Philippines
- **D2 Nigeria, Saudi Arabia, Syria
