| Primary Identifier | MGI:4413351 | Allele Type | Targeted |
| Gene | Ret | Transmission | Germline |
| Strain of Origin | 129 | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Exons 14 and 15 and an FRT-flanked neomycin resistance gene cassette were flanked by loxP sites. The floxed exons and neo cassette were removed through subsequent cre-mediated recombination. |