gynogenesis

[ 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.

Nearby words

gyno-,
gynobase,
gynocracy,
gynodioecious,
gynoecium,
gynomonoecious,
gynophore,
gynoplastics,
gynostegium,
gynostemium

Origin of gynogenesis

First recorded in 1920–25; gyno- + -genesis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for gynogenesis

gynogenesis

[ gī′nə-jĕn′ĭ-sĭs, jĭn′ə- ]

n.

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.