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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Hoxa3tm2(Hoxd3)Mrc
targeted mutation 2, Mario R Capecchi
MGI:2388565
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Hoxa3tm2(Hoxd3)Mrc/Hoxa3tm2(Hoxd3)Mrc involves: 129S1/Sv * 129X1/SvJ MGI:3836908
ht2
 		Hoxa3tm1Kth/Hoxa3tm2(Hoxd3)Mrc involves: 129S1/Sv * 129X1/SvJ MGI:3836906


Genotype
MGI:3836908
hm1
Allelic
Composition		 Hoxa3tm2(Hoxd3)Mrc/Hoxa3tm2(Hoxd3)Mrc
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa3tm2(Hoxd3)Mrc mutation (0 available); any Hoxa3 mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
immune system phenotype ( J:60296 )
N
• thymus is present

craniofacial
craniofacial phenotype ( J:60296 )
N
• normal hyoid




Genotype
MGI:3836906
ht2
Allelic
Composition		 Hoxa3tm1Kth/Hoxa3tm2(Hoxd3)Mrc
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hoxa3tm1Kth mutation (0 available); any Hoxa3 mutation (26 available)
Hoxa3tm2(Hoxd3)Mrc mutation (0 available); any Hoxa3 mutation (26 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
mortality/aging ( J:60296 )
N
• mice are viable

immune system
immune system phenotype ( J:60296 )
N
• thymus is present

craniofacial
craniofacial phenotype ( J:60296 )
N
• normal hyoid




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