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 ...

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

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.