Which of the Following Mutant Drosophila Phenotypes Resulted from a Mutation

Multiple Choice

Which of the following mutant Drosophila phenotypes resulted from a mutation in a pair-rule gene?

A) An embryo with half the normal number of body segments
B) An embryo that lacks several abdominal segments
C) An embryo without head segments
D) An embryo with antennae attached to the posterior
E) An embryo with a pair of legs instead of antennae attached to the head