NCI Dictionary of Genetics Terms

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.

presymptomatic testing
(PREE-simp-toh-MA-tik TES-ting)
Genetic analysis of an asymptomatic or unaffected individual who is at risk of a specific genetic disorder.