UASt regulatory sequences drive expression of an inverted repeat.
Expression under the control of Scer\GAL4pnr-MD237 results in bristle morphology defects on the notum in 30-40% or 40-50% of the Scer\GAL4pnr-MD237 expression domain, depending on the insertion line used.
Expression under the control of Scer\GAL4pnr-MD237 results in the absence of 0% or 60-70% of the Scer\GAL4pnr-MD237-expressing area of the notum, depending on the insertion line used.