Which of the following is a vestigial organ in humans?
A
Pinna
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B
Coccyx
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C
Tail
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D
Molars
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Solution
The correct option is B Coccyx The coccyx is the vestigial tailbone in humans that sometimes develop due to the reoccurrence of ancestral characters (atavism).
It is supposed to be functional in earlier primate like ancestors of humans.