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The Mouse Genome Informatics (MGI) Phenotype ontology1 2 contains data about mouse genotype - phenotype associations primarily obtained by curators from the literature.
Phenotypic terms are related by a directed acyclic graph, the Mammalian Phenotype Ontology3 .


The human hg19 ontology contains 6,484 phenotypes, 5,993 genes, and 372,534 total term <--> gene associations.

The human hg18 ontology contains 6,484 phenotypes, 5,982 genes, and 371,838 total term <--> gene associations.

The mouse mm9 ontology contains 6,502 phenotypes, 6,131 genes, and 381,037 total term <--> gene associations.


All data for this ontology was downloaded on August 20, 2010.

GREAT v1.2

GREAT v1.2 Mouse Phenotype statistics are available here.


Ref Notes
1 Blake, J.A., et al. The Mouse Genome Database genotypes::phenotypes, Nucleic Acids Res. 2009 Jan; 37(Database issue):D712-9.
2 Bult, C.J., et al. The Mouse Genome Database (MGD): mouse biology and model systems, Nucleic Acids Res. 2008 Jan; 36(Database issue):D724-8.
3 Smith, C.L., Goldsmith, C.A., Eppig, J.T. The Mammalian Phenotype Ontology as a tool for annotating, analyzing and comparing phenotypic information, Genome Biol. 2005; 6(1):R7.
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