/ Dictionary / Index G gene flow: Meaning and Definition of Find definitions for: gene' flow" Pronunciation: [key] — Ecol. Ecol. the alteration of the frequencies of alleles of particular genes in a population, resulting from interbreeding with organisms from another population having different frequencies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. genearch gene frequency Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language