A female fruit fly with singed bristles was mated with a malefrom a true-breeding wild-type stock with long bristles. All of theF1 females had wild-type long bristles and all of the F1 males hadsinged bristles. If the F1 flies are intercrossed, the expectedratio of long to singed bristles in the F2 flies is
Multiple Choice
3:1 in both sexes.
3:1 in females, while all the males will have singedbristles.
1:1 in both sexes.
1:1 in females, while all the males will have singedbristles.
1:0 in both sexes (i.e., males and females will all have longbristles).