| | ความคิดเห็นที่ 52 | MsgStatus(Msv[52], 52); | มีนักวิทยาศาสตร์ ทดลอง เจาะเลือด ชาวฮั่น กับชาวอุยกูร์ มาตรวจดูพบว่ามีความใกล้ชิดกันมากเเทบได้ว่าเป็นพี่น้องกัน ผมไม่รู้ว่าคุณ Carroth เคยได้ยินบ้างหรือป่าว? อ่านมั่งหรือป่าวครับคุณCarroth | จากคุณ | : mce | | เขียนเมื่อ | : 28 มี.ค. 55 14:27:47 | | | | | | | |
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Genetics
Uyghurs are a population presenting an admixture of Eastern and Western anthropometric traits. Uyghurs are indisputably the product of mixing of two ancestral components, East Asian and Caucasian, or Mongoloid and Caucasoid. However, various scientific studies disagree about the size of each component. A paper by Xu et al. found that Uyghurs, using samples from Hetian (Hotan) only, have 60% European ancestry and 40% East Asian ancestry.[63] Two explanations of the admixture suggested by scholars include a continuous gene flow from populations of European and Asian descent and a hybrid isolation model. Under the assumption of a hybrid isolation model, they estimated that the possible admixture event occurred about 126 generations ago, or 2520 years ago assuming 20 years per generation.[63][64] Another paper by Li et al., using a larger sample of individuals from a wider area, found only about 30% European admixture.[65]
[edit] Genetic history
According to the paper by Li et al.
STRUCTURE cannot distinguish recent admixture from a cline of other origin, and these analyses cannot prove admixture in the Uyghurs; however, historical records indicate that the present Uyghurs were formed by admixture between Tocharians from the west and Orkhon Uyghurs (Wugusi-Huihu, according to present Chinese pronunciation) from the east in the 8th century CE. The Uyghur Empire was originally located in Mongolia and conquered the Tocharian tribes in Xinjiang. Tocharians such as Kroran have been shown by archaeological findings to appear phenotypically similar to northern Europeans, whereas the Orkhon Uyghur people were clearly Mongolians. The two groups of people subsequently mixed in Xinjiang to become one population, the present Uyghurs.
[65]
The modern Uyghurs have very mixed genetic origin of Indo-European and Turkic. The Indo-European maternal contribution to Uyghurs is 42.6% while the Indo-European paternal contribution varies from 60-75%. On the other hand, the Mongoloid paternal contribution varies from 22-35% and Mongoloid maternal contribution is 57.3%, thus there no pure Caucasian among the Uyghurs.[66]
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