People who have one of several well-documented medical conditions do not have only XX or XY chromosomes, which typically correspond with female and male sexes, respectively. Those conditions include ...

The president’s executive order signaled an intention to narrowly define the sexes, but experts say he is oversimplifying the ...

Mutations in the X chromosome often cause intellectual disability, and women born with just one X chromosome (a diagnosis known as Turner Syndrome), can have cognitive impairments. X chromosomes, some ...

What is Zollinger-Ellison syndrome? Zollinger-Ellison syndrome (ZES ... But some people with the condition may have a genetic problem known as multiple endocrine neoplasia type 1 (MEN1). Children of ...

Quantification and characterization of these multiple HML-2 insertions in the human chromosome has been challenging due to their size, sequence homology with each other, and their repetitive nature.