Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and ...

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. It could be a major reason why females tend to have longer lifespans. | Credit: Illustration by ...

The biological necessity of the Y chromosome is undergoing a fundamental reassessment as evidence confirms its disappearance ...

Researchers at Cardiff University have uncovered how a particularly severe form of DNA damage arises—shedding new light on ...

Human cells have two copies of each chromosome, and this balance is essential for genes to be expressed in the appropriate ...

Researchers at a lab in Kansas City believe they have made a breakthrough discovery in understanding infertility.

Autism spectrum disorder (ASD) is a neurological and developmental condition that can be diagnosed at any age, although the symptoms tend to appear in the first two years of a patient's life. ASD can ...