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Phenotypes Associated with This Genotype
Genotype
MGI:4454434
Allelic
Composition		 a/a
Bloc1s6pa/Bloc1s6pa
Genetic
Background		 involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a mutation (166 available); any a mutation (468 available)
Bloc1s6pa mutation (6 available); any Bloc1s6 mutation (25 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
abnormal retina melanin granule morphology ( J:5346 )
• number of granules in the retina is greatly reduced
• size of granules is diminished

vision/eye
abnormal retina melanin granule morphology ( J:5346 )
• number of granules in the retina is greatly reduced
• size of granules is diminished

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
12/30/2025
MGI 6.24 		The Jackson Laboratory