"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The 23 rd chromosome base pair contains what are known as our sex chromosomes. For most females, this ...

Neanderthals, the closest cousins of modern humans, lived in parts of Europe and Asia until their extinction some 30,000 years ago. Genetic studies are revealing ever more about the links between ...

Neanderthals, the closest cousins of modern humans, lived in parts of Europe and Asia until their extinction some 30,000 years ago. Genetic studies are revealing ever more about the links between ...

Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and ...

In about one out of every 800 people, two chromosomes fuse together to form an unusual bond. These are known as Robertsonian chromosomes. It's a mystery that has long stumped scientists. Subscribe to ...

A study published in Science by Alexander Platt, Daniel N. Harris, and Sarah A. Tishkoff of the University of Pennsylvania has found that interbreeding between Neanderthals and Homo sapiens followed a ...

Human cells have two copies of each chromosome, and this balance is essential for genes to be expressed in the appropriate ...