female sterile
lethal | maternal effect
partially lethal - majority die | female
visible
wing
Mutant males and phenotypes have a bladderwing phenotype.
Mutant females are semilethal and escapers are sterile with a maternal effect lethal phenotype.
Allelism of blaK48 to bla1 inferred because blaK48 gives a phenotype similar to that of bla1 and maps by recombination to a similar position on the X chromosome.