The maternal X chromosome sped up biological ageing in the hippocampus - a brain area crucial for learning and memory.

Researchers say study represents a resource that could also help to dissect Y-gene functions in other tissues.

The executive order’s definitions of male and female left room for interpretation contrary to the spirit of the order.

Humans have 23 pairs of chromosomes, including a pair of sex chromosomes (typically XX for females, and XY for males). Chromosomes contain hundreds to thousands of genes, which are sections of DNA ...

(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell. (e) “Male” means ...

President Trump signed an executive order that attempts to negate our very existence. Trump’s executive order on “Gender Ideology Extremism and Restoring Biological Truth to the Federal Government,” ...

The executive order’s definitions of male and female left room for interpretation contrary to the spirit of the order.

During his inauguration speech Monday, President Trump promised to make America binary again.

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don’t ...

Like many of his other "Day 1" decrees, the order seems more concerned with scoring points in the culture war than advancing ...

Entitled "Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the Federal Government," Trump's ...

Sarah McBride has pointed out a fatal flaw in President Donald Trump’s executive orders which targets the trans community.