| Primary Identifier | MGI:5546592 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Sox9 |
| Transmission | Germline | Strain of Origin | 129S7/SvEvBrd-Hprt1<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | An IRES-EGFP-polyadenylation sequence and floxed neomycin resistance cassette were inserted into the first exon. Cre-mediated recombination removed the neomycin resistance cassette. RT-PCR confirmed the absence of transcript expression in EGFP+ cells. |