Insertion of P{SUPor-P} into Scim12 intron between the first and second exon, in tandem orientation.
metaphase & condensed nuclear chromosome
mitosis & nuclear chromosome
Dominantly increases transmission of Dp(1;f)J21A to offspring to 40%. Larval neuroblast squashes reveal an extremely low mitotic index. Colcemid treatment reveals aberrant metaphases and sister chromatid separation.