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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Mut921
Mut921
MGI:5430732
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Mut921/Mut921 involves: 101/H * C3H/HeH MGI:5430740
ht2
 		Mut921/Mut921+ involves: 101/H * C3H/HeH MGI:5430739


Genotype
MGI:5430740
hm1
Allelic
Composition		 Mut921/Mut921
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mut921 mutation (2 available); any Mut921 mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:5430739
ht2
Allelic
Composition		 Mut921/Mut921+
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mut921 mutation (2 available); any Mut921 mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
decreased birth body size ( J:169366 )
decreased body size ( J:169366 )
• by weaning

craniofacial
abnormal cranium morphology ( J:169366 )
• short, broad head by weaning

skeleton
abnormal cranium morphology ( J:169366 )
• short, broad head by weaning




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