Polytene chromosomes normal.
Deletion spanning the disc region II and III, insertion of 1.9kb hobo element at the deletion site.
The dppd-blk phenotype is partially rescued by eyaScer\UAS.cBa expressed under the control of Scer\GAL4dpp.blk1. Specifically, the morphogenetic furrow spreads in a normal fashion dorsally along the lateral margin to form an almost complete dorsal half of an eye. The morphogenetic furrow does not spread ventrally along the margin. The small size of dppd-blk/dppd12 eye discs is partially rescued by eyaScer\UAS.cBa expressed under the control of Scer\GAL4dpp.blk1 and greater numbers of developing ommatidia are seen. The dppd-blk small eye phenotype is enhanced by soScer\UAS.cPa expressed under the control of either Scer\GAL4dpp.blk1 or Scer\GAL4ey.PH, which often results in a complete lack of eye development. Expression of dacScer\UAS.cSa under the control of Scer\GAL4ey.PH results in a variable decrease in the size of dppd-blk eyes. Expression of eyScer\UAS.cHa under the control of Scer\GAL4ey.PH interferes with dppd-blk eye development to a variable extent, often resulting in smaller eyes.
In double mutants of bunrI043 and the eye specific allele dppd-blk the frequency of survivors is decreased relative to the single bunrI043 mutant and the eye is extremely reduced due to differentiation of a very small number of ommatidia.