For years, scientists have been baffled at the low number of necessary genes contained in X chromosomes.
Apart form its long-known role of reversing the default state of being female, the Y chromosome also carries genes required for the general operation of the genome, according to two new studies.
A Belgian gynecologist was fined over $6000 for helping impregnate 165 women with their desired baby's sex by using an illegal laboratory method.
In the battle of the sexes, men are bound to lose, a scientist has predicted. That is, males will sooner or later go extinct.