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Phenotypes Associated with This Genotype
Genotype
MGI:3716281
Allelic
Composition		 Gt(ROSA)26Sortm1.1(birA)Mejr/Gt(ROSA)26Sortm1.1(birA)Mejr
Tbx20tm2Ccai/Tbx20tm2Ccai
Genetic
Background		 involves: 129P2/OlaHsd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1.1(birA)Mejr mutation (10 available); any Gt(ROSA)26Sor mutation (1062 available)
Tbx20tm2Ccai mutation (0 available); any Tbx20 mutation (36 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
normal phenotype
no abnormal phenotype detected ( J:198628 )
• mice are viable, fertile and indistinguishable from wild-type mice in development and appearance

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
01/06/2026
MGI 6.24 		The Jackson Laboratory