A recent common ancestry for human Y chromosomes.

Describes a common ancestral Y chromosome and mitochondrial DNA molecule in late Pleistocene slightly before the hypothesized anatomically modern humans based on fossil data. Geographic origin of individuals and their Y Alu polymorphic (YAP); Method used to test for selection at the YAP locus; Sequencing survey of the third intron of the Zfy gene; Defining Y-chromosome haplotypes.