parthenogenesis

Definition

A form of asexual reproduction in which an egg develops into an individual without being fertilized.

Etymology

From Greek 'parthenos', meaning 'virgin', and 'genesis', meaning 'creation' or 'origin'.

Example

Many species of aphids can reproduce via parthenogenesis, allowing them to quickly increase their population size.

Synonyms

• Asexual reproduction

Related Terms

• Asexual reproduction
• Cloning
• Automixis
• Thelytoky

Usage Notes

Parthenogenesis can occur in various insect species and can be obligate (the only form of reproduction) or facultative (one of several possible forms of reproduction).