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Phenotypes Associated with This Genotype
Genotype
MGI:3690621
Allelic
Composition		 KitlSl/Kitl+
Genetic
Background		 either: (involves: C3H * WC) or (involves: C3H * C57BL/6 * DBA/2J * WC)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
KitlSl mutation (3 available); any Kitl mutation (92 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
anemia ( J:6084 )
• mice are slightly anemic
decreased mast cell number ( J:6084 )
• heterozygotes have decreased mast cell numbers in dorsal skin compared to wild-type

immune system
decreased mast cell number ( J:6084 )
• heterozygotes have decreased mast cell numbers in dorsal skin compared to wild-type

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