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 ...

Loss of the Y chromosome in circulating blood cells rises with age and is associated with increased heart attack risk, even ...

A study explains how broken DNA during cell division can trigger chromoanasynthesis when two repair pathways combine, causing ...