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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Rr100+
wild type
MGI:6835773
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Rr100tm2.1Welm/Rr100+ involves: 129P2/OlaHsd * AKR.1 * C57BL/6 MGI:3698425


Genotype
MGI:3698425
ht1
Allelic
Composition		 Rr100tm2.1Welm/Rr100+
Genetic
Background		 involves: 129P2/OlaHsd * AKR.1 * C57BL/6
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
hematopoietic system
abnormal T cell differentiation ( J:113136 )
• mice with one mutant Cd8a allele and a wild-type AKR.1 derived allele have ""CD8-negative"" single positive (SP) thymocytes expressing no CD8 alpha or beta

immune system
abnormal T cell differentiation ( J:113136 )
• mice with one mutant Cd8a allele and a wild-type AKR.1 derived allele have ""CD8-negative"" single positive (SP) thymocytes expressing no CD8 alpha or beta




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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