y-chromosome

is a line of genes designed for men only.

A line of genes designed for men only; the cause of virility, war, baldness, hockey, sex crimes, clever inventions and a disinclination to ask for directions when lost.

is the cause of virility, war, baldness, hockey, sex crimes, clever inventions and a disinclination to ask for directions when lost.

Y-CHROMOSOME A line of genes designed for men only; the cause of virility, war, baldness, hockey, sex crimes, clever inventions and a disinclination to ask for directions when lost.

y chromosome, n.All

y chromosome