| Primary Identifier | MGI:2181191 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Crx |
| Transmission | Germline | Strain of Origin | 129S6/SvEvTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The homeodomain coding region containing exon 3 and a portion of exon 4 was replaced by a neomycin selection cassette. RT-PCR analysis showed an absence of transcript in the retinas of homozygous mutant mice. |