The human Y chromosome, responsible for determining male sex, has been gradually shrinking over millions of years. This ...

Loss of the Y chromosome (LOY) in men, a dynamic mutation linked to aging, impairs immune function and increases risks of ...

The short-beaked echidna (Tachyglossus aculeatus) is one of Australia's most iconic animals. Belonging to a unique group of ...

The short-beaked echidna (Tachyglossus aculeatus)  is one of Australia’s most iconic animals. Belonging to a unique group of ...

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.

The final pair are sex chromosomes, which scientists label X and Y. The Y chromosome is associated with the development of male sex characteristics. As mentioned in the previous section ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to track genomic reorganization ...