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Question

Which is not vestigial in humans?

A
Tail vertebrae
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B
Nails
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C
Nictitating membrane
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D
Vermiform appendix
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Solution

The correct option is B Nails
Structures that have no clear capacity and seem, by all accounts, to be remaining parts from a past progenitor are called minimal structures. Instances of minimal structures incorporate the human addendum, the pelvic bone of a snake.
So, the correct option is 'Nails'.

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