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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID 		Btnt
blatant
MGI:3847258
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
ht1
 		Btnt/Btnt+ C57BL/6J-Btnt/H MGI:3847259


Genotype
MGI:3847259
ht1
Allelic
Composition		 Btnt/Btnt+
Genetic
Background		 C57BL/6J-Btnt/H
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Btnt mutation (2 available); any Btnt mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
pigmentation
abnormal ventral coat pigmentation ( J:148980 )
• the belly fur of mice heterozygous for this mutation is tan

integument
abnormal ventral coat pigmentation ( J:148980 )
• the belly fur of mice heterozygous for this mutation is tan




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