East Asian genetic relationships
New genetic study
No trolling and racism should be allowed. This is a scientific study by geneticists.
Identification of Close Relatives in the HUGO Pan-Asian SNP Database
The HUGO Pan-Asian SNP Consortium has recently released a genome-wide dataset, which consists of 1,719 DNA samples collected from 71 Asian populations. For studies of human population genetics such as genetic structure and migration history, this provided the most comprehensive large-scale survey of genetic variation to date in East and Southeast Asia. However, although considered in the analysis, close relatives were not clearly reported in the original paper. Here we performed a systematic analysis of genetic relationships among individuals from the Pan-Asian SNP (PASNP) database and identified 3 pairs of monozygotic twins or duplicate samples, 100 pairs of first-degree and 161 second-degree of relationships. Three standardized subsets with different levels of unrelated individuals were suggested here for future applications of the samples in most types of population-genetics studies (denoted by PASNP1716, PASNP1640 and PASNP1583 respectively) based on the relationships inferred in this study. In addition, we provided gender information for PASNP samples, which were not included in the original dataset, based on analysis of X chromosome data.
Basically what the chart shows is that Koreans are the most pure Northeast Asian (Altaic peoples), whereas Han Chinese are very diverse. Japanese are different from Koreans in that the Japanese are dragged more towards South Asians.
This is because of the Aboriginals of Japan (the Jomon) who are similar to Negritos (Y-DNA haplogroup D carriers) and South Asian Indians.
Recent genetic admixture chart
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