The octopus just revealed another one of its secrets: what determines its sex. University of Oregon researchers have ...

The research suggest octopus and other cephalopods, like squid and cuttlefish, all rely on the ancient chromosome to ...

What stands out the most about this ancient cephalopod sex chromosome is how little the chromosome has changed over time.

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

On his first day back in power, President Donald Trump issued an executive order on gender that essentially states that males ...

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

There are notable differences between men and women in their susceptibility to many human diseases, including cardiovascular ...

Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome.

A UCSF study reveals that maternal X chromosome expression may accelerate brain aging and cognitive decline. Female mice with ...

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 ...

Scientists at University of Oregon discover one of the oldest known animal sex chromosomes in California two-spot octopus.