A new study finds that men with an extra Y chromosome may face a higher autism risk, revealing how sex chromosomes influence ...

Having extra chromosomes is typically an issue for an organism and can disrupt development or cause disease. But some cells benefit instead: For example, cancer cells or pathogenic yeasts can use ...

Basic biology has it that girls are girls because they have two X chromosomes — the things inside cells that carry our genes. Boys are boys because they have one X and one Y. Recently, though, there's ...

Peking University, November 7, 2024: Imagine the deep frustration of countless men who long to become fathers, only to face infertility due to a genetic condition they can't control. For those with ...

On average, human males tend to be about 5 inches (13 centimeters) taller than females. But why? In short, we're not sure. Even though this sex-linked height difference exists across the world, we ...

Imagine the deep frustration of countless men who long to become fathers, only to face infertility due to a genetic condition they can't control. For those with Klinefelter syndrome, this painful ...

Women can be colorblind, but it’s much less common than in men. Red-green color blindness, the most common type, is inherited ...