A Female Fruit Fly with Singed Bristles Was Mated with a Male

Multiple Choice

A female fruit fly with singed bristles was mated with a male from a true-breeding wild-type stock with long bristles.All of the F₁ females had wild-type bristles and all of the F₁ males had singed bristles.If the F₁ flies are intercrossed,the expected ratio of long to singed bristles in the F₂ flies is

A) 1:0 in both sexes (i.e. ,males and females will all have long bristles) .
B) 3:1 in both sexes.
C) 3:1 in females,while all the males will have singed bristles.
D) 1:1 in females,while all the males will have singed bristles.
E) 1:1 in both sexes.