Insertion of P{SUPor-P} into 5' UTR of Rab5, in reverse orientation.
mitosis & nuclear chromosome
Dominantly decreases transmission of Dp(1;f)J21A to offspring to 21%. Recessive lethality acts in the first larval instar. Larval neuroblast squashes reveal an extremely low mitotic index. Colcemid revealed a few mitotic figures - all of which showed fragmented chromosomes.