Construct: Mutation in stem-loop II of the nos TCE sequences.
nanosnanos.+2.IIA:U partially rescues nanosBN
nosnos.+2.IIA:U partially rescues the abdominal segmentation defect of embryos derived from nosBN females; 66% of embryos have 1-3 abdominal segments, 32% have 4-6 abdominal segments and 1% have 7-8 abdominal segments.