Human Y Chromosome Divergence Placed At Least 300,000 Years Ago
Wednesday, March 6, 2013 - 11:01
in Biology & Nature
The divergent lineage of the oldest known genetic branch of the human Y chromosome, the hereditary factor determining male sex, has been pushed back in time. The new divergent lineage, found in an individual who submitted his DNA to Family Tree DNA, a company specializing in DNA analysis to trace family roots, branched from the Y chromosome tree before the first appearance of anatomically modern humans in the fossil record. read more