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Phenotypes Associated with This Genotype
Genotype
MGI:3848913
Allelic
Composition		 Fgfr1tm1.1Jpa/Fgfr1+
Gt(ROSA)26Sortm5(Etv4/en,-GFP)Amc/Gt(ROSA)26Sor+
Tg(Prrx1-cre)1Cjt/0
Genetic
Background		 involves: 129 * C57BL/6 * CBA * SJL/J * Swiss Webster
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fgfr1tm1.1Jpa mutation (0 available); any Fgfr1 mutation (219 available)
Gt(ROSA)26Sortm5(Etv4/en,-GFP)Amc mutation (0 available); any Gt(ROSA)26Sor mutation (1098 available)
Tg(Prrx1-cre)1Cjt mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
limbs/digits/tail
abnormal limb development ( J:149478 )
• at P1, mice exhibit a more severe zeugopod phenotypes than in Gt(ROSA)26Sortm5(Etv4/en,-GFP)Amc/Gt(ROSA)26Sor+ Tg(Prrx1-cre)1Cjt mice

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