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heterogamy

   Also found in: Medical, Wikipedia 0.06 sec.
het·er·og·a·my  (ht-rg-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.

heter·o·gamic (-r-gmk) 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: Biology

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48) The three barriers to heterogamy are described by inheritance, sectoral, and hierarchy parameters.
43) Heterogamy was strong only in strata with unbalanced gender ratios, e.
But it is far less evident that this two-to-one ratio of homogamy to heterogamy constituted "tight alliance," let alone that it could have constituted the basis of an enduring social equilibrium in Florence, except in a safety-valve sort of way.
 
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