The researchers also found that the sex most involved in raising offspring tends to have a greater lifespan. In longer-lived ...

A karyotype of the complete set of human chromosomes. Credit: National Human Genome Research Institute Human sex chromosomes originated from a pair of autosomes, the ordinary or non-sex chromosomes ...

It's a known fact that women, on average, live longer than men do by about 5.4 years. A team of researchers writing for ...

The answer – if you didn’t guess from the picture, above – is the Y chromosome. This is part of human DNA that makes foetuses ...

New research by UCLA Health has identified a sex-chromosome linked gene that drives inflammation in the female brain, ...

Researchers from Tokyo Metropolitan University have taken a big step in solving the mystery around why animals evolve sex chromosomes. It had long been proposed that sex chromosomes evolve to reduce ...

A nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helps researchers to track genomic reorganization events that gave rise to a highly unusual sex ...

A new study finds that men with an extra Y chromosome may face a higher autism risk, revealing how sex chromosomes influence ...

Sex chromosomes generally evolve from a homomorphic to heteromorphic state. Once a heteromorphic system is established, the sex chromosome system may remain stable for an extended period. Here, we ...

The California two-spot octopus (Octopus bimaculoides) is native to the coast of California and Mexico and is identified by their bright blue eyespots. (Roger T. Hanlon/Marine Biological Labratory) ...