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Phenotypes Associated with This Genotype
Genotype
MGI:3719108
Allelic
Composition
Hbbtm1Tow/Hbb+
Genetic
Background
involves: 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hbbtm1Tow mutation (1 available); any Hbb mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• spleens are dramatically enlarged
• spleens weight is increased to 800mg compared to 80mg in wild-type mice
• hemoglobin levels are lower than in wild-type mice (7.1+/-0.5 g/dl compared to 14.9+/-0.7 g/dl

immune system
• spleens are dramatically enlarged
• spleens weight is increased to 800mg compared to 80mg in wild-type mice

growth/size/body
• spleens are dramatically enlarged
• spleens weight is increased to 800mg compared to 80mg in wild-type mice


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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last database update
01/06/2026
MGI 6.24
The Jackson Laboratory