a study of shaggy mutant clones on the notum reveals that a greater number of cells are diverted into the bristle pathway of differentiation and fewer cells remain to produce the epidermis , shaggy clones differentiate supernumerary microchaetae and macrochaetae but these are found in the correct spatial locations , e.g . clusters of macrochaetae are formed round the position of the extant macrochaetae .
C0007589
differentiation
C0007634
cells