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Question
Which is of the following, is a vestigial organ in man?
Which is of the following, is a vestigial organ in man?
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Solution
The correct option is B Pinna muscles
In the context of human evolution, human vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution. Although structures called as vestigial often appear functionless, a vestigial structure may retain lesser functions or develop minor new ones. In some cases, structures once identified as vestigial simply had an unrecognized function. The examples of human vestigiality are numerous, including the anatomical (such as the human appendix, tailbone, wisdom teeth, pinna muscles and inside corner of the eye), the behavioral (goose bumps and palmar grasp reflex), sensory and molecular (noncoding DNA). Many human characteristics are also vestigial in other primates and related animals. Thus, the correct answer is option B.
In the context of human evolution, human vestigiality involves those traits occurring in humans that have lost all or most of their original function through evolution. Although structures called as vestigial often appear functionless, a vestigial structure may retain lesser functions or develop minor new ones. In some cases, structures once identified as vestigial simply had an unrecognized function.
The examples of human vestigiality are numerous, including the anatomical (such as the human appendix, tailbone, wisdom teeth, pinna muscles and inside corner of the eye), the behavioral (goose bumps and palmar grasp reflex), sensory and molecular (noncoding DNA). Many human characteristics are also vestigial in other primates and related animals. Thus, the correct answer is option B.
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