Haplogroup R1a (Y-DNA) is a subclade of Haplogroup R (Y-DNA).
wikipedia:Haplogroup_R1a_(Y-DNA)
R1a arose 15,000 years ago in the vicinity of Ukraine
Typical of Eastern Europeans, Central Asians, and South Asians
A subclade of R1, R1a is a Y-chromosome haplogroup found at high frequency (more than 40%) from the Czech Republic across to the Altai Mountains in Siberia and south throughout Central Asia.
see also Haplogroup_R1b1b2g because it is currently a better example of a haplogroup page
