Columbus
Last month I pointed to two papers on China genetics. Rereading a bit more closely, I stumbled upon a very curious PC plot. It shows the relationship of various continental populations on the first two principal components of variation genetically. Look at how Mexican Americans from Los Angeles compare to Gujarati Americans from Houston:
In world wide context South Asians and mestizos can be viewed as somewhat analogous; a stable admixture between West and East Eurasian elements. Of course, the "East Eurasian" ancestry of mestizos consists of the New World descendants of Paleolithic…