Genes are segments of DNA located in chromosomes. Each human cell contains 23 pairs of chromosomes. Learn more.

A new study provides new insight into height differences between adult men and women, demonstrating that Y chromosome genes contribute more to height than their X chromosome counterparts.

A new paper published in Nature on June 4 shines light on how an enigmatic part of male aging—the loss of Y chromosomes—is connected with a higher risk of dying from cancer. In an analysis of ...

Even the production of a human chromosome in a Petri dish would be a significant achievement—confirmation that scientists had learned not just to read the language of life, but to write it.