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Phenotypes Associated with This Genotype
Genotype
MGI:6209603
Allelic
Composition		 Fscn1Gt(OST124903)Lex/Fscn1+
Tg(Dct-lacZ)A12Jkn/0
Genetic
Background		 involves: C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fscn1Gt(OST124903)Lex mutation (1 available); any Fscn1 mutation (39 available)
Tg(Dct-lacZ)A12Jkn mutation (5 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
embryo
abnormal melanoblast morphology ( J:197025 )
• in most cases, an intermediate reduction of melanoblasts is observed in dorsal-ventral regions at E13.5 and E15.5

nervous system
abnormal melanoblast morphology ( J:197025 )
• in most cases, an intermediate reduction of melanoblasts is observed in dorsal-ventral regions at E13.5 and E15.5

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
01/20/2026
MGI 6.24 		The Jackson Laboratory