Medical Dictionary

penetrance

noun pen·e·trance \ˈpen-ə-trən(t)s\

Medical Definition of PENETRANCE

:  the proportion of individuals of a particular genotype that express its phenotypic effect in a given environment—compare expressivity

Browse

May 23, 2015
debouch Hear it
to emerge or cause to emerge
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears