From the moment of conception, your baby has the genetic information to become a boy or girl — but because both sexes start out the same in the womb, you're going to have to wait to find out that info ...

a Y and an X chromosome and it will become a male. But exactly what happens in the womb to make a boy or a girl? This interactive feature illustrates the astonishing changes that occur during the ...

Imagine you look in mom’s cell-free DNA and you find a bunch of Y chromosomes. The baby will be a boy, right? If you don’t see any Y chromosomes, a girl. Similarly, a fetus with Down Syndrome ...

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact ...

A study conducted by a research team at the Crick Institute identified important genes on the Y chromosome that regulate ...

A report from Science Alert raises concerns about the potential future disappearance of boys, suggesting that the Y ...