About   Help   FAQ
Phenotypes Associated with This Genotype
Genotype
MGI:3698424
Allelic
Composition		 Rr100tm2.1Welm/Rr100tm2.1Welm
Tcratm1Mom/Tcratm1Mom
Genetic
Background		 involves: 129P2/OlaHsd * 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rr100tm2.1Welm mutation (0 available); any Rr100 mutation (0 available)
Tcratm1Mom mutation (8 available); any Tcra mutation (103 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
abnormal T cell morphology ( J:113136 )
• mice have population of abnormal "CD8-negative" SP thymocytes

immune system
abnormal T cell morphology ( J:113136 )
• mice have population of abnormal "CD8-negative" SP thymocytes

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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support. 		last database update
01/06/2026
MGI 6.24 		The Jackson Laboratory