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Question

A cross section at the midpoint of the middle piece of human sperm will show

A
centriole, mitochondria and 9 + 2 arrangement of microtubules
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B
centriole and mitochondria
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C
mitochondria and 9 + 2 arrangement of microtubules
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D
9 + 2 arrangement of microtubules only
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Solution

The correct option is C mitochondria and 9 + 2 arrangement of microtubules

A sperm is a microscopic structure composed of a head, neck, a middle piece and a tail. A cross section at the midpoint of the middle piece of a sperm will show mitochondria and 9 + 2 arrangement of microtubules. The middle piece possesses numerous mitochondria, which produce energy for the movement of the tail that facilitates sperm motility essential for fertilisation.


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