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Phenotypes Associated with This Genotype
Genotype
MGI:6281682
Allelic
Composition		 Chd7Looper/Chd7+
Genetic
Background		 involves: BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Chd7Looper mutation (0 available); any Chd7 mutation (134 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hearing/vestibular/ear
increased or absent threshold for auditory brainstem response ( J:252089 )
• Background Sensitivity: B.S. the average click auditory brainstem response (ABR) threshold is lower on the mixed C57BL/6 and BALB/c background than on the BALB/c background, but still increased compared to wild-type mice

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