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Phenotypes Associated with This Genotype
Genotype
MGI:3805204
Allelic
Composition		 Tyrp1B-lt/Tyrp1B-lt
Genetic
Background		 involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tyrp1B-lt mutation (4 available); any Tyrp1 mutation (160 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
homeostasis/metabolism
increased bleeding time ( J:7327 )
• bleed time of 5.7 minutes on average after tail nick is higher than the 3.8 minutes in C57BL/6J controls

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
03/31/2026
MGI 6.24 		The Jackson Laboratory