[brityank]

... one lineage of males with three lineages of females ...

Curiosity got me on that too, so I looked for info and found Human Y-chromosome DNA haplogroup which indicates that "Y-chromosomal Adam is the name given by researchers to a theoretical male who is the most recent common patrilineal (male-lineage) ancestor of all living humans." There's a chart lower down showing the dispersion.

Thanks, Boogieman - interesting.

[Boogieman]

Here’s a creationist’s take on the haplogroups and Mt DNA as viewed from a Biblical perspective:

http://creation.com/noah-and-genetics