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 ...

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 ...

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 ...