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. They determine the ...

Turner syndrome is a genetic condition in which a (female) person has only one X chromosome instead of two. Scientists have used a new computational method for precisely measuring sex chromosomes to ...

Researchers at the University of Colorado Anschutz Medical Campus and collaborators across the country have conducted the largest and most diverse study of men with extra X or Y chromosomes in the US ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The 23 rd chromosome base pair contains what are known as our sex chromosomes. For most females, this ...

Autoimmune diseases, including systemic lupus erythematosus (SLE), are more common in women than men, and scientists are still trying to figure out why. One reason may be related to the number of X ...