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Phenotypes Associated with This Genotype
Genotype
MGI:3766084
Allelic
Composition
Rarbtm1Mma/Rarb+
Rargtm1Ipc/Rargtm1Ipc
Genetic
Background
involves: 129S2/SvPas * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Rarbtm1Mma mutation (0 available); any Rarb mutation (40 available)
Rargtm1Ipc mutation (2 available); any Rarg mutation (150 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• 100% of mutants show skeletal malformations
• 2 of 14 (14%) mutants exhibit a posterior tubercle on the basioccipital bone
• 11 of 14 mutants exhibit agenesis of the metoptic pillar
• 100% of mutants show tracheal cartilage malformations
• 11 of 14 (79%) of mutants show cricoid cartilage fused to tracheal rings
• 2 of 14 (14%) mutants show fusion of the basioccipital with C1-AA
• 2 of 14 (14%) mutants show fusion of C1-AA with C2 dens
• 12 of 14 (86%) of mutants have a bifid C2
• 1 of 14 (7%) mutants show fusions of neural arches of C2 and C3
• 5 of 14 (36%) mutants show anterior transformation of T8 to T7
• 2 of 14 (14%) mutants show anterior transformation of C2 to C1

vision/eye
• 11 of 14 mutants exhibit agenesis of the metoptic pillar
• E18.5 mutants show a bilateral persistent hyperplastic primary vitreous
• the palpebral aperture is reduced to a narrow slit in all E14.5 mutants

craniofacial
• 2 of 14 (14%) mutants exhibit a posterior tubercle on the basioccipital bone
• 11 of 14 mutants exhibit agenesis of the metoptic pillar
• 2 of 14 (14%) mutants show fusion of the basioccipital with C1-AA

endocrine/exocrine glands
• agenesis of the Harderian glands is seen at E18.5

respiratory system
• 100% of mutants show tracheal cartilage malformations
• 11 of 14 (79%) of mutants show cricoid cartilage fused to tracheal rings


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
03/25/2025
MGI 6.24
The Jackson Laboratory