FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.
The apical movement of the anterior centrosome during cytokinesis is delayed in mutant pI (sensory organ precursor) cells in the notum.
Mutants do not show any dominant effects on meiotic chromosome segregation.
