Sex determination at birth is decided on the chromosomes the baby has. A female has two X chromosomes, whereas a male has one X and one Y chromosome. According to Medline Plus, in every cell, humans ...

Earlier this year, the often overlooked issue of differences in sex development came to the fore after two women boxers were allowed to compete in the Olympics after previously failing a gender ...

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 ...

Political outrage surrounding two women competing in boxing at the Paris Olympics stems from "a lot of misinformation," an International Olympics Committee spokesperson said Friday. It all began when ...

People with an XY chromosome combination have more physical strength (especially upper body strength) than people with an XX chromosome combination. Title IX was designed to allow people with an XX ...