thelytoky
thelytoky — noun
1. a form of parthenogenesis — meaning reproduction that takes place without the eg
a form of parthenogenesis — meaning reproduction that takes place without the egg being fertilized by a male cell — in which every unfertilized egg grows into a female individual, so that the population contains no males at all.
Ramón studied thelytoky in a colony of Amazon ants where no male ants had ever been seen.
collocation: study thelytoky in [species]
In some stick insects, thelytoky allows a single female to start a new population after reaching a distant island.
collocation: thelytoky allows [species] to [verb]
Nora compared thelytoky with arrhenotoky, which produces only male offspring instead of females.
The laboratory colony of geckos has shown thelytoky for more than twelve years, producing only female young.
- thelytokous parthenogenesis
the fuller, more explicit term; used interchangeably in scientific writing
- arrhenotoky
parthenogenesis that produces only male offspring
用法筆記
Used only in biology and zoology, most often when describing the reproductive strategies of insects, mites, crustaceans, and some reptiles. The adjective form is thelytokous (e.g., 'thelytokous parthenogenesis').