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.
Mutant embryos develop a similar number of EL neurons as wild-type embryos.
E(zip)31-631-6, ctaunspecified has viable phenotype
E(zip)18-518-5, ctaunspecified has viable phenotype
E(zip)12-512-5, ctaunspecified has viable phenotype
Double heterozygotes with E(zip)12-512-5, E(zip)18-518-5 or E(zip)31-631-6 are fully viable and have wild-type leg morphology.