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Phenotypes Associated with This Genotype
Genotype
MGI:3042019
Allelic
Composition		 Per2tm1Jt/Per2tm1Jt
Genetic
Background		 involves: 129S6/SvEvTac * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Per2tm1Jt mutation (4 available); any Per2 mutation (73 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
normal phenotype
no abnormal phenotype detected ( J:89256 )
• mice developed normally and showed no overt morphological abnormalities

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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Send questions and comments to User Support. 		last database update
03/24/2026
MGI 6.24 		The Jackson Laboratory