Carries a genomic fragment of the cnn locus from (BAC CH322-189K22 from the CHORI BacPac library collection, https://bacpac.chori.org).
A genomic fragment carrying the cnn locus from BAC CH322-189K22 contains sequences from 2R:9323567..9346885 in Release 5 coordinates.
cnn+tCH322-189K22 rescues cnnHK21
cnn+tCH322-189K22 rescues the cnnHK21 phenotype, with hatching rates of 72.5%, and restores fertility to both males and females.