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Phenotypes Associated with This Genotype
Genotype
MGI:3694199
Allelic
Composition		 Or8a1tm2Mom/Or8a1tm4Mom
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Or8a1tm2Mom mutation (1 available); any Or8a1 mutation (69 available)
Or8a1tm4Mom mutation (1 available); any Or8a1 mutation (69 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal olfactory neuron innervation pattern ( J:90716 )
• axons co-converge without co-mingling, and segregate into separate compartments within the same glomeruli
• after naris occlusion before glomerular formation, axons still segregate into separate compartments within the same glomeruli, but there are supernumerary glomeruli

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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Funding Information
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Send questions and comments to User Support. 		last database update
03/25/2025
MGI 6.24 		The Jackson Laboratory