NCI Dictionary of Genetics Terms

  • Resize font
  • Print
  • Email
  • Facebook
  • Twitter
  • Google+
  • Pinterest

The NCI Dictionary of Genetics Terms contains technical definitions for more than 200 terms related to genetics. These definitions were developed by the PDQ® Cancer Genetics Editorial Board to support the evidence-based, peer-reviewed PDQ cancer genetics information summaries.

deleterious mutation
(DEH-leh-TEER-ee-us myoo-TAY-shun)
A mutation that is documented to be associated with risk of disease.