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Phenotypes Associated with This Genotype
Genotype
MGI:6388549
Allelic
Composition		 Tbr1tm1.1Csbd/Tbr1tm1.1Csbd
Genetic
Background		 involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tbr1tm1.1Csbd mutation (0 available); any Tbr1 mutation (38 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
preweaning lethality, complete penetrance ( J:281878 )
• homozygotes are not detected at P7

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
12/30/2025
MGI 6.24 		The Jackson Laboratory