Main Entry: het·er·og·a·my Pronunciation: -mE Function: noun Inflected Form: plural-mies 1: sexualreproduction involving fusion of unlike gametes often differing in size, structure, and physiology 2: the condition of reproducing by heterogamy
heterogamy het·er·og·a·my (hět'ə-rŏg'ə-mē) n. The state or condition in which conjugating gametes are dissimilar in structure and size as well as in function.