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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Imh1NZB
NZB
MGI:2155943
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		Imh1NZB/Imh1NZB involves: NZB * NZW MGI:2175437
ht2
 		Imh1NZB/Imh1NZW involves: NZB * NZW MGI:2175438


Genotype
MGI:2175437
hm1
Allelic
Composition		 Imh1NZB/Imh1NZB
Genetic
Background		 involves: NZB * NZW
Find Mice Using the International Mouse Strain Resource (IMSR)
No mouse lines available in IMSR.
See publication links below for author information.
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
increased IgM level ( J:26266 )
• susceptibility to IgM-class hypergammaglobulinemia

hematopoietic system
increased IgM level ( J:26266 )
• susceptibility to IgM-class hypergammaglobulinemia




Genotype
MGI:2175438
ht2
Allelic
Composition		 Imh1NZB/Imh1NZW
Genetic
Background		 involves: NZB * NZW
Find Mice Using the International Mouse Strain Resource (IMSR)
No mouse lines available in IMSR.
See publication links below for author information.
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
immune system
increased IgM level ( J:26266 )
• susceptibility to IgM-class hypergammaglobulinemia

hematopoietic system
increased IgM level ( J:26266 )
• susceptibility to IgM-class hypergammaglobulinemia




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