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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		chac
cha-cha
MGI:3708453
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		chac/chac involves: C57BL/6J MGI:3709050


Genotype
MGI:3709050
hm1
Allelic
Composition		 chac/chac
Genetic
Background		 involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
No mouse lines available in IMSR.
See publication links below for author information.
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
behavior/neurological
decreased startle reflex ( J:119820 )
• low auditory startle response

hearing/vestibular/ear
increased or absent threshold for auditory brainstem response ( J:119820 )
• auditory threshold of more than 90 dB, indicating that lines are severely hearing impaired in 8- to 12-week-old animals




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
11/19/2024
MGI 6.24 		The Jackson Laboratory