thelytoky
Sign in to saveAlso known as thelytokous parthenogenesis
thumb|upright=1.5|Aphid giving birth by [[parthenogenesis, the live young growing from unfertilized eggs]]
Wikidata facts
- Subclass of
- parthenogenesis
- Image
- Central fusion and terminal fusion automixis.svg
Show 3 more facts
- partially coincident with
- automixis
- opposite of
- arrhenotoky
- described by source
- Brockhaus and Efron Encyclopedic Dictionary
Sources (1)
via Wikidata · CC0
~7 min read
Encyclopedic overview
8 sectionsContents
- Advantages of thelytoky
- Types of thelytoky
- Arrhenotoky and thelytoky in Hymenoptera
- Automixis
- With central fusion
- With terminal fusion
- See also
- References
thumb|upright=1.5|Aphid giving birth by [[parthenogenesis, the live young growing from unfertilized eggs]]
Thelytoky (from the Greek θῆλυς thēlys "female" and τόκος tókos "birth") is a type of parthenogenesis and is the absence of mating and subsequent production of all female diploid offspring as for example in aphids. Thelytokous parthenogenesis is rare among animals and reported in about 1,500 species, about 1 in 1000 of described animal species, according to a 1984 study. It is more common in invertebrates, like arthropods, but it can occur in vertebrates, including salamanders, fish, and reptiles such as some whiptail lizards.
Excerpted from Wikipedia’s “thelytoky” article, available under the CC BY-SA 4.0 licence.