Scientists Reshape Y Chromosome Haplogroup Tree Gaining New Insights Into Human Ancestry Date: April 3, 2008 Source: Cold Spring Harbor Laboratory Summary: The Y chromosome retains a remarkable ...

Wednesday, April 2, 2008 –The Y chromosome retains a remarkable record of human ancestry, since it is passed directly from father to son. In an article published online today in Genome Research ...

Haplogroup O is the most frequent haplogroup in Japan, accounting for 51.7% of Japanese Y chromosomes in this survey.