In a nutshell Female cells randomly use either the maternal or paternal X chromosome—this study shows that relying more ...

The research, conducted by researchers at the University of Oregon and published in Current Biology, provides the first ...

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

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 ...

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

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

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

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

From the moment of conception, your baby has the genetic information to become a boy or girl — but because both sexes start out the same in the womb, you're going to have to wait to find out that info ...

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

The cells of female mammals randomly inactivate one X chromosome to keep gene dosage the same as in males. Does it matter which X becomes inactive? Surprisingly, it does, according to new research ...