The Y chromosome is inherited only through the paternal line. Sons receive their Y chromosome exclusively from their father.

The story of a rare Calico Cat, Josie, has gone viral on TikTok after user @xxycalico shared it on the platform with a video montage of the feline. While the adoption story of Josie is heart-warming, ...

We often hear the expression that there are two kinds of people in this world. But that doesn’t always apply when it comes to categorizing people by their sex chromosomes. Other WRAL Top Stories "You ...

Biological sex is all over the news lately. Between the presidential executive order affecting passport policy, moving transgender inmates between prisons and regulating women's sports, appeals to ...