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.
Brdunspecified has phenotype, suppressible by H17
Brdunspecified has phenotype, suppressible by H18
Brdunspecified has phenotype, suppressible by H19
Brdunspecified has phenotype, suppressible by H20