When a genetic defect can cause either mild learning disabilities or extreme learning disabilities, the degree to which a person suffers from learning disabilities is an example of the expressivity of the genetic defect.
- the quality of being expressive
- Genetics the relative degree to which a trait caused by a gene is manifested in an individual
- The quality of being expressive.
- Genetics The degree to which an expressed gene produces its effects in an organism.
(usually uncountable, plural expressivities)
expressive + -ity