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Glossary Term
Glossary Term Penetrance
Definition The fraction of individuals of a given genotype that show a particular phenotype, usually expressed as a percentage.
See also Expressivity.

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)
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last database update
MGI 6.20
The Jackson Laboratory