Deletion of some insc coding sequences (nucleotides 346 to 576 deleted).
embryonic epidermis & spindle, with Scer\GAL4h-1J3
inscΔ1.Scer\UAS.T:Hsap\MYC expressed in epidermal cells under the control of Scer\GAL4h-1J3 causes reorientation of mitotic spindles in these cells.