About   Help   FAQ
Glossary Term
Glossary Term Expressivity
Definition The relative constancy of the phenotype of individuals of a given genotype. Mutations said to have variable expressivity show a relatively large amount of phenotypic variation among individuals having the same genotype.
See also Penetrance.

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
Citing These Resources
Funding Information
Warranty Disclaimer & Copyright Notice
Send questions and comments to User Support.
last database update
10/01/2019
MGI 6.14
The Jackson Laboratory