n. 1. Alternation of sexual and parthenogenic generations, as in some aphids. 2. See anisogamy. 3. The state of having different types of flowers on the same plant, as both pistillate ray florets and staminate disk florets in a flower head. 4. Marriage between people who are different from each other, especially in their sociocultural backgrounds. het′er·o·gamic (-rō-gămĭk) adj. |
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