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Phenotypes Associated with This Genotype
Genotype
MGI:5316642
Allelic
Composition		 Mitftm7.1Arnh/Mitftm7.1Arnh
Kittm1Alf/Kit+
Genetic
Background		 involves: 129S2/SvPas * 129S4/SvJae * 129S6/SvEvTac * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kittm1Alf mutation (1 available); any Kit mutation (175 available)
Mitftm7.1Arnh mutation (0 available); any Mitf mutation (74 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
belly spot ( J:182722 )
• slightly larger belly spot

integument
belly spot ( J:182722 )
• slightly larger belly spot

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
01/28/2026
MGI 6.24 		The Jackson Laboratory