Sentences with phrase «central asian y»

While Wells screened the Central Asian Y chromosomes for single - nucleotide mutations such as M45, Zerjal searched for a different DNA variable called a microsatellite.

Not exact matches

That's why a particular pattern of microsatellites can profile a particular individual — to show, for instance, as Tyler - Smith and Zerjal had done shortly before embarking on their Central Asian work, that Thomas Jefferson had fathered a son by his slave Sally Hemings and that his Y chromosome had been passed down to a man living in Pennsylvania today.

During the Mesolithic and Neolithic epochs, Q3 remained a minor component of the West Asian Y - chromosome pool and gave rise to five branches (Q3a to Q3e), which spread across West, Central and parts of South Asia.

A2b appears to have split a few times in succession, which means that some of the Central Asian male ancestors of this lineage went their separate ways before their respective Y chromosomes made their rounds.