het·er·og·a·my (h t  -r g -m )n. 1. Alternation of sexual and parthenogenic generations, as in some aphids. 2. The state or condition in which conjugating gametes are dissimilar in structure and size as well as in function. het er·o·gamic (-r -g m k) adj. |
heterogamy [ˌhɛtəˈrɒgəmɪ]
n
1. (Life Sciences & Allied Applications / Biology) a type of sexual reproduction in which the gametes differ in both size and form Compare isogamy
2. (Life Sciences & Allied Applications / Biology) a condition in which different types of reproduction occur in successive generations of an organism
3. (Life Sciences & Allied Applications / Botany) the presence of both male and female flowers in one inflorescence Compare homogamy [1]
heterogamous adj
| heterogamy (ht-rg-m) 1. Alternation of sexual and parthenogenetic generations, as in the life cycles of some aphids. 2. A reproductive system that is characterized by the fusion of gametes (called heterogametes) that are dissimilar in size and structure, such as the egg and sperm of animals. heterogamous adjective |
heterogamy
1. the condition of being heterogamous, or reproducing sexually and asexually in alternating generations.
2. the process of indirect pollination. Cf. heterogenesis. — heterogamous, adj.
See also: Biology2. the process of indirect pollination. Cf. heterogenesis. — heterogamous, adj.
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