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Phenotypes Associated with This Genotype
Genotype
MGI:3773758
Allelic
Composition
Id2tm1Yyk/Id2tm1Yyk
Tg(Wnt1)1Hev/0
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * FVB * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Id2tm1Yyk mutation (0 available); any Id2 mutation (17 available)
Tg(Wnt1)1Hev mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• mammary glands of virgin females have excessive ductal side branching resembling that of pregnant wild-type mice
• develop mammary tumors at a similar rate to that seen in single hemizygous Tg(Wnt1)1Hev mice
• mammary glands of virgin females have extensive, dense hyperplasia

neoplasm
• develop mammary tumors at a similar rate to that seen in single hemizygous Tg(Wnt1)1Hev mice

integument
• mammary glands of virgin females have excessive ductal side branching resembling that of pregnant wild-type mice
• develop mammary tumors at a similar rate to that seen in single hemizygous Tg(Wnt1)1Hev mice
• mammary glands of virgin females have extensive, dense hyperplasia


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
01/06/2026
MGI 6.24
The Jackson Laboratory