What makes every person unique? Part of the answer is in our genes. A gene is a basic unit of heredity, the means by which traits get passed from one generation to the next, and genetics is the study ...

Polygenic adaptation describes evolutionary change in which many genetic variants, each of small effect, collectively shift in frequency to produce a phenotypic response to selection. Quantitative ...

A major mouse study found that some inherited traits are passed down through epigenetic changes that break the classic rules of genetics. Researchers discovered hundreds of cases where these chemical ...