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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		a6H
nonagouti 6 Harwell
MGI:3051139
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		a6H/a6H involves: 101/H * C3H/HeH MGI:3051512
ht2
 		a/a6H involves: 101/H * C3H/HeH MGI:3051515


Genotype
MGI:3051512
hm1
Allelic
Composition		 a6H/a6H
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a6H mutation (0 available); any a mutation (468 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
darkened coat color ( J:5021 )
• the coat color and pinna hairs are dark umbrous
abnormal pinna hair pigmentation ( J:5021 )
• hairs are black rather than the expected cream pigmentation of a nonagouti mouse

integument
darkened coat color ( J:5021 )
• the coat color and pinna hairs are dark umbrous
abnormal pinna hair pigmentation ( J:5021 )
• hairs are black rather than the expected cream pigmentation of a nonagouti mouse




Genotype
MGI:3051515
ht2
Allelic
Composition		 a/a6H
Genetic
Background		 involves: 101/H * C3H/HeH
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a mutation (166 available); any a mutation (468 available)
a6H mutation (0 available); any a mutation (468 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
darkened coat color ( J:5021 )
• with nonagouti the coat color is umbrous with yellow pinna hairs
abnormal pinna hair pigmentation ( J:5021 )
• pinna hairs are yellow, unexpected for this genotype

integument
darkened coat color ( J:5021 )
• with nonagouti the coat color is umbrous with yellow pinna hairs
abnormal pinna hair pigmentation ( J:5021 )
• pinna hairs are yellow, unexpected for this genotype




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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
09/30/2025
MGI 6.24 		The Jackson Laboratory