UASt sequences drive expression of the iso3 siz transcript. (GH10594).
Scer\GAL4twi.PG/Iqseciso3.UAS partially rescues Iqsecunspecified
In sizunspecified animals rescued by siziso3.Scer\UAS driven by Scer\GAL4twi.PG, the myoblast fusion defects are completely rescued but some fibre patterning defects are seen.