which share with human women the characteristic of having two X chromosomes. Their investigation revealed a surprising finding about the second X chromosome, which had previously been considered ...

The planned changes include reinstating a version of chromosome testing that was discontinued in the 1990s, requiring athletes who compete in the female category to submit to a cheek swab or dry ...

We fact-check various aspects of two of President Donald Trump's executive orders targeting transgender people.

On the first day of his administration, President Donald Trump signed an executive order directing the federal government to ...

Females have one active X chromosome and one dormant X chromosome in each cell. But a study suggests that genes on the ...

Did you know men and women's heart cells prefer different kinds of fuel? Gender differences are emerging as scientists turn ...

The sports world is abuzz with the recent announcement by World Athletics regarding the introduction of chromosome testing for female athletes. This decision, aimed at maintaining the integrity of ...

Enriquez lives with chronic kidney disease, neurofibromatosis, which causes tumors to form, scoliosis and Raynaud's ...

World Athletics president says the track and field’s governing body has approved the introduction of cheek swabs and dry ...