The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

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

A study conducted by a research team at the Crick Institute identified important genes on the Y chromosome that regulate sperm development and male fertility. Using thirteen mouse models, the ...

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

A new study reveals that the maternal X chromosome may accelerate brain ageing and increase Alzheimer's risk. Experiments on ...

Typically, females have two X chromosomes (XX), whereas males have one X chromosome and one Y chromosome (XY). Sex chromosomes not only influence a developing embryo’s sex and the formation of ...

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

New research is offering deeper insights into the role of the active X chromosome and its effects on brain health.

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

Systematic identification of Y-chromosome gene functions in mouse spermatogenesis. Science , 2025; 387 (6732): 393 DOI: 10.1126/science.ads6495 Cite This Page : ...

A team of Japanese scientists has discovered the gene that determines the fur color of calico cats, which are characterized ...