Polyphenism
- Pronunciation
- /pol-ee-FEN-iz-um/
- Category
- Development
- Singular
- Polyphenism
- Plural
- Polyphenisms
Definition
The condition of having two or more discrete phenotypes, without intermediates, resulting from environmental cues during development.
Etymology
From Greek 'poly-', meaning 'many', and 'phasis', meaning 'stage' or 'phase'.
Example
The life cycle of the pea aphid exhibits polyphenism, with different environmental cues leading to distinct morphs.
Related Terms
- Polymorphism
- Developmental plasticity
- Phenotypic variation
Usage Notes
Polyphenism is a form of developmental plasticity where genetically identical individuals develop into distinct morphs based on environmental cues.