A chromosome is a single, long molecule of DNA. These highly organized structures store genetic information in living organisms. Small sections of the chromosome, called genes, code for the RNA and ...

One of the most detailed 3D maps of how the human chromosomes are organized and folded within a cell's nucleus is published in Nature. Subscribe to our newsletter for the latest sci-tech news updates.

An illustration shows the process of cell division, which involves chromosome pairs swapping some of their genetic data. frentusha/iStock Variety is the spice of life—especially when it comes to ...

BYU biologist Jonathan Alder has a startling secret he doesn’t freely share: he knows when most of us are going to die. OK, he doesn’t know exactly the day or time, but he has a pretty good idea, ...

Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 chromosomes ...

A human cell carries in its nucleus two meters of spiraling DNA, split up among the 46 slender, double-helical molecules that are its chromosomes. Most of the time, that DNA looks like a tangled ball ...