[ jin-uh-jen-uh-sis, gahy-nuh-, jahy- ]
/ ˌdʒɪn əˈdʒɛn ə sɪs, ˌgaɪ nə-, ˌdʒaɪ- /

noun Biology.

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.

Origin of gynogenesis

First recorded in 1920–25; gyno- + -genesis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for gynogenesis

[ gī′nə-jĕnĭ-sĭs, jĭn′ə- ]


The development of an embryo that contains only maternal chromosomes because the egg has been activated by sperm without fusion of the egg and sperm nuclei.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.