| Primary Identifier | MGI:3041881 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Sox9 |
| Transmission | Germline | Strain of Origin | 129S/SvEv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed fragment encompassing exon 2, exon 3, and a neo cassette was excised via cre mediated recombination in the germline. |