About   Help   FAQ
Phenotypes Associated with This Genotype
Genotype
MGI:5649292
Allelic
Composition		 Krastm4.1Bbd/Krastm4.1Bbd
Genetic
Background		 B6J.129(FVB)-Krastm4.1Bbd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm4.1Bbd mutation (0 available); any Kras mutation (88 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
perinatal lethality, complete penetrance ( J:223433 )
• Background Sensitivity: complete perinatal lethality on the C57BL/6J background compared to partial perinatal lethality on the 129S2/SvPas background

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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support. 		last database update
03/25/2025
MGI 6.24 		The Jackson Laboratory