| Primary Identifier | MGI:5465303 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Fzd1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A loxP site was inserted upstream of the coding sequence. An FRT-flanked neo cassette with a 5' loxP site was inserted downstream of the coding sequence. Cre-mediated recombination removed the coding sequence and left the FRT-flanked neo cassette intact. |