Scientists published a full genetic sequence of the genes that make some white campions male, and hope their work could ...

Study reveals the impact of X chromosome on brain aging in women. Learn how maternal and paternal X chromosome can influence cognitive abilities.

Researchers have identified a sex chromosome in the California two-spot octopus. This chromosome has likely been around for 480 million years, since before octopuses split apart from the nautilus on ...

Patients with Klinefelter and triple X syndromes show an increased prevalence of SLE and Sjögren disease, likely due to the ...

Testosterone is one of the few hormones that’s broken out of biology textbooks and into the popular consciousness.

Plus: The NIH puts research grants on hold, a universal coronavirus vaccine, biology’s complexity, upcycling plastic and more ...

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

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

Researchers found that female mice using only maternal X chromosomes showed faster cognitive decline, which could help ...

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

Researchers aim to continue studying the role of the X chromosome in brain aging, and whether it can explain people’s risk of brain diseases or memory loss.