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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Rfx3+
wild type
MGI:2433666
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Rfx3tm1.1Wrth/Rfx3+ involves: 129 * C57BL/6J MGI:3045842
ht2
 		Rfx3tm2.1Wrth/Rfx3+ involves: 129 * C57BL/6J MGI:3045844


Genotype
MGI:3045842
ht1
Allelic
Composition		 Rfx3tm1.1Wrth/Rfx3+
Genetic
Background		 involves: 129 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rfx3tm1.1Wrth mutation (0 available); any Rfx3 mutation (70 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
postnatal growth retardation ( J:89880 )
• slight growth retardation is seen in heterozygotes compared to control littermates




Genotype
MGI:3045844
ht2
Allelic
Composition		 Rfx3tm2.1Wrth/Rfx3+
Genetic
Background		 involves: 129 * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rfx3tm2.1Wrth mutation (0 available); any Rfx3 mutation (70 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
growth/size/body
postnatal growth retardation ( J:89880 )
• slight growth retardation is seen in heterozygotes compared to control littermates




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
01/20/2026
MGI 6.24 		The Jackson Laboratory