Homeotic gene
- Pronunciation
- /hoh-mee-OT-ik jeen/
- Category
- Genetics
- Singular
- Homeotic gene
- Plural
- Homeotic genes
Definition
Genes that regulate the development of body segments in arthropods and other animals.
Etymology
From Greek 'homo-', meaning 'same', and '-eōsis', meaning 'condition'.
Example
Mutations in homeotic genes can lead to the transformation of one body segment into another, such as antennae into legs.
Related Terms
- Segmentation
- Development
- Mutation
Usage Notes
Homeotic genes are often clustered together and encode transcription factors that regulate the expression of other genes involved in development.