> jew mainstream > dna science  anon you need to start in cia pedia with dna. > haplogroup r1a, or haplogroup r-m420, is a human y-chromosome dna haplogroup which is distributed in a large region in eurasia, extending from scandinavia and central europe to central asia, southern siberia and south asia.[3][2] > while one genetic study indicates that r1a originated 25,000[2] years ago,  > haplogroup r1b (r-m343), p > the age of r1 was estimated by tatiana karafet et al. (2008) at between 12,500 and 25,700 bp, and most probably occurred about 18,500 years ago   group_r1a   group_r1b
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