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

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery—how "selfish chromosomes" cheat the rules of genetic inheritance. The researchers found that ...

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 ...

New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

Jenny Graves receives funding from the Australian Research Council. Paul Waters receives funding from Australian Research Council. Nicholas Lister does not work for, consult, own shares in or receive ...

About 60,000 years ago, modern humans (Homo sapiens) and Neanderthals coexisted on Earth, sharing love and producing offspring. The descendants of humans who migrated from Africa to Europe and ...

Most people with non-African ancestry carry roughly 1–4% Neanderthal ancestry spread across their genomes, a legacy of contact after modern humans expanded into Eurasia. But the X chromosome, one of ...