Thin stretches of the human X chromosome look oddly empty when you scan for Neanderthal DNA. Geneticists even have a name for the gaps: “Neanderthal deserts.

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly ...

Humans and Neanderthals cozied up from time to time when they lived in the same areas tens of thousands of years ago. But we ...

DNA evidence suggests homo sapiens women more often paired with Neanderthal men, helping explain why Neanderthal genes are rare.

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 ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia.

Unique sex chromosomes occur in species from humans to birds, worms, and flies. An unequal pair of sex chromosomes, each carrying a different complement of genes, requires specific efforts to regulate ...

Humans have 23 pairs of chromosomes, including a pair of sex chromosomes (typically XX for females, and XY for males). Chromosomes contain hundreds to thousands of genes, which are sections of DNA ...

Researchers at the Johns Hopkins Kimmel Cancer Center and its Ludwig Center uncovered new evidence that extra copies of a ...