| Primary Identifier | MGI:3806089 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Drosha |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A targeting vector was used to introduce a loxP-flanked neomycin resistance cassette to intron 8, and an additional loxP site to intron 9 of the gene. The mice were crossed with a C57BL/6 background EIIa-Cre line, deleting exon 9 (and the neo cassette). |