Genes on the sex chromosomes would be expected to show different activity between men (with an X chromosome and a Y ...

A gene on the X chromosome revs up inflammation in the female brain, which may explain why rates of multiple sclerosis are ...

SAN FRANCISCO — A genetic coin toss that happens before birth might influence how women’s brains age decades later. A study ...

A microscopic image of neurons expressing the mother’s X chromosomes in green, and the father’s X chromosomes in red. Credit: Arturo Moreno. Women are born with two X chromosomes and inherit one from ...

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 ...

Modern genetics reveals that over 50 genes across many chromosomes—not just X and Y—govern sex development. The term “sex ...