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 (gī′nə-jĕn′ĭ-sĭs, jĭn′ə-)
Parthenogenesis in which the egg is activated by sperm, but without fusion of the egg and sperm nuclei.

gy′no·ge·net′ic (-jə-nĕt′ĭk) adj.
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.


(Zoology) zoology a form of fertilization of an egg by a sperm and its subsequent development where the sperm does not provide any genetic factors in the developmental process
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌgaɪ nəˈdʒɛn ə sɪs, ˌdʒɪn ə-)

a type of reproduction by parthenogenesis that requires stimulation by a sperm to activate the egg into development but occurs without fusion of sperm and egg nuclei.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gynogenesis - female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus
parthenogenesis, parthenogeny - process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Ploidy manipulution and gynogenesis in fishes: cytogenetic and fisheries applications.
This fish species, the Amazon molly (scientific name Poecilia formosa) reproduces asexually through gynogenesis, making their daughters identical clones of themselves.
The three-minute exposure to 65.5 MPa of HHP that has been usually applied to recover diploid state in the rainbow trout eggs during gynogenesis [15] did not degrade maternal transcripts.
Our researches also demonstrate that impaternata apparently exhibits gynogenesis, a process in which females of such hybridic species must copulate with males of closely related sympatric species in order to initiate egg development.
Cytological studies on artificially induced gynogenesis in the Pacific abalone.
An investigation of sex determination in the Mozambique tilapia, Oreochromis mossambicus, using synaptonemal complex analysis, FISH, sex reversal and gynogenesis. Aquaculture 221:125-140.
Waldbieser used a special breeding technique called "gynogenesis" to produce the genome donor, Coco, so that she contained two copies of DNA--like other animals--except that both copies were completely identical.
The spermatozoa, of which genetic material has been destroyed by using Gamma ([gamma]), X or Ultraviolet (UV) rays in order to eliminate the male genetic material, is used in fertilization of the egg cell during the gynogenesis; one of the chromosome manipulation techniques [1-5].
Gynogenesis is a form of reproduction in which spermatozoa activate eggs to develop in the absence of paternal chromosomes.