The Y chromosome is among the smallest in the human body and carries the fewest genes. Researchers are paying renewed attention to its role in cancer—specifically, what happens when it vanishes.

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

Loss of the Y chromosome in aging men is widespread and increasingly linked to serious diseases, challenging assumptions that ...

Humans typically have 46 chromosomes arranged in 23 pairs. One of these pairs determines biological sex at the time of conception. Males usually have one X chromosome and one Y chromosome. The ...

Most people alive today carry fragments of Neanderthal DNA in their genome. Now scientists are gaining a more intimate ...

Men losing Y chromosomes as they age may face a higher risk of heart disease, cancer, and reduced life expectancy. Here’s ...

Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health. But evidence has ...

Stowers Institute researchers identified the precise fusion point of a chromosome variant that may contribute to infertility ...

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

Did you know men can lose their Y chromosome as they age An expert explains how this genetic glitch impacts your heart increases disease risk and the lifestyle changes that can slow it down ...

By now, it’s firmly established that modern humans and their Neanderthal relatives met and mated as our ancestors expanded ...

As men age, many quietly lose the Y chromosome in some cells, and scientists now link this hidden change to heart disease, cancer and even shorter lifespans.