Question Detail
Question
The coccyx is most developed in:
Correct Answer
Option A is the correct answer.
Detailed Explanation
The coccyx (tailbone) is most developed (or rather, least reduced) in humans and apes, where it is a vestigial structure. Other mammals have more prominent caudal vertebrae forming a tail.
Hint
In these primates, the tail has been reduced to a small remnant.