has part characteristic of before has modifier abnormal developmental rate developmental rate defective A more complete formalization would require a clause specifying stage. It might be possible to do this in OWL using the same system as we are using for lethal phase. phenotypic_class FBcv:0000450 Phenotype that is a change in any kind of rate (e.g. speed, frequency) of any developmental process (GO:0032502) taking place prior to mature adulthood (defined as adult stage A3), compared to wild-type. Note, developmental processes include stages in development of the whole animal (e.g. larval development) as well as specific sub-processes, such as dorsal closure. phenotype mature adult stage developmental process rate abnormal