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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		cb
cerebral degeneration
MGI:1856701
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		cb/cb Not Specified MGI:2660656


Genotype
MGI:2660656
hm1
Allelic
Composition		 cb/cb
Genetic
Background		 Not Specified
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♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
postnatal lethality ( J:30723 )
• most mutants do not survive to maturity

reproductive system
infertility ( J:30723 )
• mutants surviving to maturity are sterile

respiratory system
abnormal nose morphology ( J:30723 )
• degeneration of epithelium of the nose
abnormal tracheal ciliated epithelium morphology ( J:30723 )
• degeneration of trachea epithelium

nervous system
abnormal cerebral hemisphere morphology ( J:30723 )
• degeneration of the cerebral hemispheres
abnormal olfactory bulb morphology ( J:30723 )
• degeneration of the olfactory lobe

craniofacial
abnormal nose morphology ( J:30723 )
• degeneration of epithelium of the nose

growth/size/body
abnormal nose morphology ( J:30723 )
• degeneration of epithelium of the nose




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
09/30/2025
MGI 6.24 		The Jackson Laboratory