noun
- plural of penetrance; the degree to which a genetic trait is expressed in individuals who carry the gene for that trait
Usage: genetics; technical
Examples
- The penetrances of different genetic mutations vary widely across populations.
- Researchers studied the penetrances of several disease-associated alleles.
- Complete penetrances mean that all carriers of the gene will express the trait.
- Incomplete penetrances explain why some family members show the condition while others do not.
- The penetrances observed in the study ranged from 60% to 95%.