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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		MitfMi-ws
white spot
MGI:1856093
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
 		MitfMi-ws/MitfMi-ws involves: C57BL/6 MGI:3630349
ht2
 		MitfMi-ws/Mitf+ involves: C57BL/6 MGI:3630346


Genotype
MGI:3630349
hm1
Allelic
Composition		 MitfMi-ws/MitfMi-ws
Genetic
Background		 involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
MitfMi-ws mutation (1 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
absent coat pigmentation ( J:13417 )
• homozygotes are white

vision/eye
microphthalmia ( J:13417 )
• found in some, but not all mice

integument
absent coat pigmentation ( J:13417 )
• homozygotes are white




Genotype
MGI:3630346
ht2
Allelic
Composition		 MitfMi-ws/Mitf+
Genetic
Background		 involves: C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
MitfMi-ws mutation (1 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
abnormal coat/hair pigmentation ( J:13417 )
• white spotting but no coat dilution
belly spot ( J:13417 )
• diamond shaped pattern is most common

integument
abnormal coat/hair pigmentation ( J:13417 )
• white spotting but no coat dilution
belly spot ( J:13417 )
• diamond shaped pattern is most common




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
09/30/2025
MGI 6.24 		The Jackson Laboratory