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heterogony

[het-uh-rog-uh-nee]
noun Biology.
  1. the alternation of dioecious and hermaphroditic individuals in successive generations, as in certain nematodes.
  2. the alternation of parthenogenetic and sexual generations.
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Origin of heterogony

First recorded in 1865–70; hetero- + -gony
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for heterogony

heterogony

noun
  1. biology the alternation of parthenogenetic and sexual generations in rotifers and similar animals
  2. the condition in plants, such as the primrose, of having flowers that differ from each other in the length of their stamens and stylesCompare homogony
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Derived Formsheterogonous, adjectiveheterogonously, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012