Heterozygous males that have previously courted non-receptive females show a significant reduction in courtship index compared to control males that have not undergone conditioning (as occurs in wild-type males).
Brains from larvae either homozygous or hemizygous (over Df(3R)Exel6167) for timeoutf00297 consistently exhibited a substantial increase in the number of metaphases with chromosome aberrations compared to controls.