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Phenotypes Associated with This Genotype
Genotype
MGI:3778273
Allelic
Composition		 Avy/a
Axin1Fu/Axin1+
Genetic
Background		 involves: 129P4/RrRk * C67BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
a mutation (166 available); any a mutation (468 available)
Avy mutation (4 available); any a mutation (468 available)
Axin1Fu mutation (1 available); any Axin1 mutation (42 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cellular
genetic imprinting ( J:82396 )
• penetrance of fused and viable yellow are independent of each other with double heterozygotes displaying all combinations of coat color and tail phenotypes due to independent variations in penetrance of each

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
12/30/2025
MGI 6.24 		The Jackson Laboratory