Heterozygous males have an average of 8.2 sex comb teeth on the first leg (compared to 10.8 per leg in wild type). Scr4/ScrLIN; Dp(3;Y)77ab males have an average of 7.0 sex comb teeth per first leg. ScrLIN/ScrAntp-A41 males have an average of 2.8 sex comb teeth on the first leg. ScrLIN/ScrWrv4 males have an average of 3.8 sex comb teeth on the first leg.