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Phenotypes Associated with This Genotype
Genotype
MGI:3694208
Allelic
Composition		 Or10a4tm3Mom/Or10a4+
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Or10a4tm3Mom mutation (0 available); any Or10a4 mutation (22 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
nervous system
abnormal olfactory bulb morphology ( J:90716 )
• mutant glomeruli are ventral and anterior to endogenous P4 glomeruli
• number of glomeruli per half-bulb doubles, indicating formation of novel glomeruli
abnormal olfactory neuron innervation pattern ( J:90716 )
• mutant axons do not reroute

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
01/28/2026
MGI 6.24 		The Jackson Laboratory