An Antennapedia (Antp) mutant in Drosophila has legs in place of antennae. This is caused by __________.
A) activation of the Antp gene in the head region instead of in the thorax
B) the product of an abdominal segment gene being expressed in the head
C) a chromosomal error that shifts this Antp gene to the anterior end of the complex
D) the interaction of an inhibitor gene of the bithorax complex with the Antp mutation
E) loss of function of the Antp gene
Correct Answer:
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