UAS regulatory sequences drive expression of an inverted repeat.
abnormal cell number | embryonic stage, with Scer\GAL4how-24B, Scer\GAL4twi.2PE
abnormal cell number | embryonic stage, with Scer\GAL4tin.CΔ4, Scer\GAL4tin.cBa
embryonic cardioblast, with Scer\GAL4how-24B, Scer\GAL4twi.2PE
embryonic cardioblast, with Scer\GAL4tin.CΔ4, Scer\GAL4tin.cBa