/ Dictionary / Index Q quantitative inheritance: Meaning and Definition of Find definitions for: quan'titative inher'itance Pronunciation: [key] — Genetics. Genetics. the process in which the additive action of numerous genes results in a trait, as height, showing continuous variability. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quantitative genetics quantity Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language