Phenotype suppressed by βTub85D mutants.
Sterility is suppressed by βTub85Dn. Homozygous females are viable and fertile and homozygous males have a defect in spermatid flagella axoneme structure, one in 50 males have a few sperm in their seminal vesicles. Males heterozygous for Dp(3;3)E(var)88D11 are fertile.