noun

gene

A unit of inherited information that contributes to an organism's traits or functions.

A single gene can influence several traits in an organism.

Etymology

The Greek root concerns birth and kind. Gene was coined for a unit of heredity, linking the name with traits passed through successive generations.

More examples

  • Researchers study a gene that helps cells repair damaged DNA.
  • You inherit copies of most genes from both parents.
  • A change in this gene can affect how a medicine works.

Forms

gene · genes

genetic adjective — Relating to genes or inherited traits.

genetics noun — The scientific study of genes and inheritance.