Please choose the correct answer to the question: In whitetail deer, females seldom grow antlers. Which best explains why male whitetail deer grow antlers but females seldom grow antlers?

Answer1: Female deer have no need for antlers. Answer2: Male deer are older than female deer. Answer3: Antler growth is controlled by genes. Answer4: Antler growth depends on behavior.

Answer format: answer1/answer2/answer3/answer4