Afro-Asiatic and Eurasian Backflow

Afro-Asiatic and Eurasian Backflow

If you follow Y genealogy you know that the distribution of R1ba2 exhibits a peculiar pattern. R1b is the most common haplgroup in Western Eurasia, and shares a deep common ancestry with R1a. It seems to have risen to high frequencies in Europe only during the Bronze Age, though has been found in earlier periods….

Razib Khan