Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair.

Entitled "Defending Women from Gender Ideology Extremism and Restoring Biological Truth to the Federal Government," Trump's ...

Discover how researchers identified an octopus' ancient sex chromosomes and why their genetic history is such a mystery.

Researchers at Linköping University in Sweden made an unexpected discovery while investigating genetically unique women.

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

They have now created an atlas of how the X chromosome is inactivated in humans, which they have presented in the journals Nature Communications and eLife. On the other hand, a woman's immune ...

The mystery of the disappearing Neanderthal Y chromosome And, of course, because the current study was conducted only in mice, future research should look at human brain tissue to check that the ...

“This is just showing one more interesting thing about them: They have really ancient sex chromosomes.” Coffing, Kern and their team described the findings Feb. 3 in the journal Current Biology. In ...

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

Scientists have made an exciting discovery about octopuses: they have one of the oldest known sex chromosomes in the animal ...

3 in the journal Current Biology. In humans and most mammals, sex is determined largely by chromosomes. But "there's a tremendous amount of diversity" in how animals determine their sex ...