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 (hĕt′ə-rō-găm′ēt′, -gə-mēt′)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) a gamete that differs in size and form from the one with which it unites in fertilization. Compare isogamete
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌhɛt ər əˈgæm it, -ə roʊ gəˈmit)

either of a pair of conjugating gametes differing in form, size, structure, or sex.
het`er•o•ga•met′ic (-ˈmɛt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


a gamete differing from the gamete with which it unites in sex, structure, size, or form. Cf. isogamete.
See also: Biology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Yet another citadel of the heterogametes has fallen.
Sexual development in fish is characterized by many factors, including genetic and environmental, male and female heterogametes, single gene and polygenic systems, protandry, protogyny, social influence on sexual determination and many combinations and variations between and with these systems.
The affinity of heterogametes between the three species of scallops and early development of hybrids.