UASt regulatory sequences drive expression of an inverted repeat.
Males expressing γCopGD8960 under the control of Scer\GAL4bam.T:Hsim\VP16 show cytokinesis defects in onion-stage spermatids: spermatids containing one Nebenkern and more than one nucleus are seen.
Expression under the control of Scer\GAL4Mef2.PR results in late larval lethality.