A new study brings together growing evidence that the X and Y chromosomes do much more than just determine biological sex.

How are these unique sex chromosomes formed? "The sex of a somatic cell as highly differentiated as a neurone may be detected ...

Sex chromosomes do more than determine biological sex. Their genes may shape how the brain, immune system, heart, and cancer change with age.

Human DNA, which is approximately two meters in length, is organized into a compact, thread-like structure known as the chromatin, so it could fit into the nucleus, a tiny sphere that’s only about six ...

Sex, Genes and Chromosomes: Their Discovery, Function and Evolution Jennifer A. Marshall Graves Cambridge Univ. Press (2026) “Sex is the most profound normal difference between human individuals,” ...

It was once thought that X and Y chromosomes only determine biological sex. However, recent research suggests that X and Y ...

A new study found that cancer cells selectively chip away gene-rich sections of the Y chromosome, triggering changes that ...

Autism has a significant and enduring sex bias, with roughly four boys diagnosed for every girl. For many years, experts have believed this disparity arises primarily from diagnostic inequities ...

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery-how "selfish chromosomes" cheat the rules of genetic inheritance. The researchers found that ...