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 ...

Female mammals typically carry two X chromosomes — one from each parent — and a new study suggests that the maternal X is ...

Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X ...

New research shows that female mice expressing only a maternal X chromosome experience faster brain aging and cognitive ...

Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X ...

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

The X chromosome carries at least 150 genes linked to intelligence. Since the mother has two X chromosomes to pass along while the father only has one, the mother’s contribution to the child’s ...

Researchers found that female mice using only maternal X chromosomes showed faster cognitive decline, which could help explain the variation in brain aging between the sexes ...

Scientists have completed construction of the final chromosome in the worlds' first synthetic yeast genome following more than a decade of work, opening new possibilities for creating resilient, ...

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

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