A study finds that female mice using only a maternal X chromosome experience faster brain aging, leading to memory loss.

A recent study has hinted at a possible connection between the X chromosome inherited from mothers and accelerated brain ...

Researchers 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 produce enough ...

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

New research uncovers a link between the maternal X chromosome and accelerated brain ageing, possibly heightening the risk for Alzheimer's and other cognitive disorders.

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

Secretary of State Marco Rubio has ordered the state department to stop passport applications with “X” markers, used by ...

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

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

Angelman Syndrome is a rare genetic disorder caused by UBE3A gene mutations, leading to developmental delays, speech issues, ...

Trump’s order says it is intended to protect women’s spaces from those who “self-identify” as women. It defines the sexes in an unconventional way, based on the reproductive cells — large cells in ...

Trump’s executive order on “Gender Ideology Extremism and Restoring Biological Truth to the Federal Government,” intended as an attack on transgender American s and disingenuously disguised as ...