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Phenotypes Associated with This Genotype
Genotype
MGI:3618310
Allelic
Composition		 Dclk1tm1.1Jgg/Dclk1tm1.1Jgg
Dcxtm1Caw/Dcx+
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ * Black Swiss * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dclk1tm1.1Jgg mutation (0 available); any Dclk1 mutation (55 available)
Dcxtm1Caw mutation (0 available); any Dcx mutation (21 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
absent corpus callosum ( J:105300 )
• corpus callosum is absent
abnormal anterior commissure morphology ( J:105300 )
• anterior commissure is hypoplastic
abnormal stratification in cerebral cortex ( J:105300 )
• cytoarchitectonics are disrupted; there is dispersion of the cell-rich layer 2/3

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
01/28/2026
MGI 6.24 		The Jackson Laboratory