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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Cdkn1btm3Jro
targeted mutation 3, James M Roberts
MGI:3611833
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Cdkn1btm3Jro/Cdkn1btm3Jro involves: 129S4/SvJaeSor MGI:3613027
ht2
 		Cdkn1btm3Jro/Cdkn1b+ involves: 129S4/SvJaeSor MGI:3613028


Genotype
MGI:3613027
hm1
Allelic
Composition		 Cdkn1btm3Jro/Cdkn1btm3Jro
Genetic
Background		 involves: 129S4/SvJaeSor
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1btm3Jro mutation (0 available); any Cdkn1b mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
increased body size ( J:103819 )
• larger than wild-type, with certain organs such as spleen and thymus disproportionately enlarged
increased body weight ( J:103819 )
enlarged spleen ( J:103819 )

immune system

hematopoietic system

endocrine/exocrine glands




Genotype
MGI:3613028
ht2
Allelic
Composition		 Cdkn1btm3Jro/Cdkn1b+
Genetic
Background		 involves: 129S4/SvJaeSor
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn1btm3Jro mutation (0 available); any Cdkn1b mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
increased body size ( J:103819 )
• larger than wild-type but smaller than homozygotes




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