In addition to craniometric evidence we also have genetic evidence for the African origin of the Chinese.
The genotype data provides clear evidence of the phylogenetic relationship of Africans and East Asians. It is clear that African derived haplogroups R1b1, E, DE and R1b1b2 are found in East Asia. Y-haplogroup is found among many Chinese Muslims or Huis.
There is evidence of R1 in East Asia. Zhong et al (2011) reported a number of y-chromosome markers in East Asia including R1a1 (29.41%0, R1b* (3.2%), R1b1b2 (1.6%) and R2 (3.21%).
It is interesting to note that Zong et al (2011) tested for the M335 marker which was first discovered in Turkey and classified as R1b. The M335 marker is a brother clade to R1b1* (M343+V88-M73-M269). This is interesting because R1b1* pursuant to ISOGG is R1b1 or V88.
Zhong H, Shi H, Qi XB, Duan ZY, Tan PP, Jin L, Su B, Ma RZ. Extended Y chromosome investigation suggests postglacial migrations of modern humans into East Asia via the northern route. Mol Biol Evol. 2011 Jan;28(1):717-27. doi: 10.1093/molbev/msq247. Epub 2010 Sep 13. PMID: 20837606.
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