In humans and many other animals, specific chromosomes determine sex. But how did researchers discover these so-called sex chromosomes? The Sex of Offspring Is Determined by Particular Chromosomes ...

The loss of the Y chromosome in tumour cells is linked to poor outcomes for people with cancer 1, but this genetic alteration might also compromise immune cells that would otherwise fight the disease.

Now, in a new Molecular Cell study, Liu's team looked at how cells function when chromosomes are missing. To their surprise, ...

Autosomal inheritance is when a parent passes down a condition to a child via autosomes, a type of chromosome. In autosomal inheritance, a copy of a faulty gene from one parent can cause a condition ...

Sharks and rays have been found to have an XY sex chromosome system superficially like our own, but with its own unique features. It’s also older than that of any other vertebrate. There are lots of ...

Small, cancer-associated DNA circles "hitchhike" on chromosomes during cell division to spread efficiently to daughter cells by co-opting a process used to maintain cellular identity through ...

A study of mice might explain why. By Gina Kolata It’s been known for more than half a century that many men lose their Y chromosomes as they age. But no one knew if it really mattered. The loss of Y ...

Patricia Opresko receives funding from the National Institutes of Health and has received funding from the Glenn Foundation for Medical Research. Damage to the ends of your chromosomes can create ...