NCI Dictionary of Genetics Terms
Welcome to the NCI Dictionary of Genetics Terms, which contains technical definitions for more than 150 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.
- late or variable onset
- listen (layt … VAYR-ee-uh-bul …)
- The state in which a genetic trait is expressed later in life or is expressed at no fixed time in a life history.