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Glossary Term
Glossary Term Hypermorphic Mutation
Definition A type of mutation in which the altered gene product possesses an increased level of activity, or in which the wild-type gene product is expressed at a increased level.
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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