Recent studies connect Y chromosome loss with several serious health conditions. These include heart disease, brain disorders ...

Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed.

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males first, with hybrid males frequently failing to produce functional sperm even ...

In 2002, evolutionary biologist Jenny Graves shared a controversial calculation. The human Y chromosome, she wrote two years later in a commentary, "is running out of time." The male-determining sex ...

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 ...

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 ...

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