Sex determination at birth is decided on the chromosomes the baby has. A female has two X chromosomes, whereas a male has one X and one Y chromosome. According to Medline Plus, in every cell, humans ...

Human biological sex is determined by the sex chromosomes X and Y. In most cases, females possess two X chromosomes, while ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The 23 rd chromosome base pair contains what are known as our sex chromosomes. For most females, this ...

In the past, several studies have spoken of a likely situation in which men may cease to exist on the face of the Earth. However, there might be hope in the form of a study that was published in 2022 ...

The cancer cells of some men feature a striking mutation: their Y chromosome is missing altogether. Now, tantalizing research suggests that this mutation can spread ‘contagiously’ from tumour cells to ...

Scientists published a full genetic sequence of the genes that make some white campions male, and hope their work could unlock how the flower got that way. By Veronique Greenwood The vast majority of ...