ScrE2/+ males (ScrE2 chromosome carries the "E2" mutation in cis to ScrScx) have an average of 0.8 ectopic sex comb teeth per second leg and have no ectopic sex comb teeth on the third legs. ScrE2/Scr4 ; Dp(3;Y)77ab males (ScrE2 chromosome carries the "E2" mutation in cis to ScrScx) have an average of 0.02 ectopic sex comb teeth per second leg and have no ectopic sex comb teeth on the third legs.
Suppresses the extra sex comb phenotype of AntpScx/Df(3R)Antp17; Dp(3;Y)Antp+. Causes between 50% and 100% suppression of the Pc4/+ extra sex combs phenotype.
Induced on: AntpScx.