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Phenotypes Associated with This Genotype
Genotype
MGI:3810954
Allelic
Composition
Xpl/Y
Genetic
Background
involves: C3HeB/FeJ * C57BL/6J * English fancy stock
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Xpl mutation (2 available); any Xpl mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
limbs/digits/tail
• the expression of polydactyly varies from a barely discernible thickened hallux or elongated first toe on one feet to multiple extra toes on both hind feet (J:6343)
• Background Sensitivity: penetrance is 90-95% on this background (J:6343)
• preaxial polydactyly of the hind feet (J:24756)
• one or both hind legs may be twisted resulting in abnormal positioning of the feet (J:6343)
• 42% of hemizygous males and 12% of heterozygous females display hemimelia (J:6343)
• tibial hemimelia of one or both hind legs (J:24756)

endocrine/exocrine glands
• in all males, causing infertility

renal/urinary system
• observed in some males
• observed in some males
• observed in some males
• observed in some males

reproductive system
• in all males, causing infertility

growth/size/body
• observed in some males


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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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory