Y Chromosome Consortium (YCC) Tree

A graphic representation of the Y-DNA haplogroups according to the Y Chromosome Consortium (YCC) classification. Haplogroup names and major clades are labeled and mutation names are given along the branches of the trees. The current [...]

Y Chromosome

One of the two sex chromosomes, X and Y. The Y chromosome passes down from father to son. Females do not receive it. As the Y chromosome is passed on through the paternal line, it [...]