The 'AA' residues within both the first and second double-stranded RNA binding domain of the P{blanks6} transgene are changed to 'KK' to abolish dsRNA binding and function.
blanksdsRBD1+2 fails to rescue blanksKG00804
The sterility and spermatid defects of homozygous blanksKG00804 males is not rescued by a blanksdsRBD1+2 transgene.