| Background | either: (involves: 129S/SvEv) or (involves: 129S/SvEv * C57BL/6J) or (involves: 129S/SvEv * MF1) | Zygosity | cx |
| Has Mutant Allele | true | Exists As | Mouse Line |
| Is Conditional | false | Name | Igf1 |
| Primary Identifier | MGI:3629674 |