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Rakesh and Reshma have difficulty conceiving a baby. They consulted a sex therapist. Sperm count of Rakesh was normal but the doctor observed that the motility of his sperm was less. What part of sperm do you think has the issue?

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in Biology – Class 12 by (271k points)
Rakesh and Reshma have difficulty conceiving a baby. They consulted a sex therapist. Sperm count of Rakesh was normal but the doctor observed that the motility of his sperm was less. What part of sperm do you think has the issue?

(a) Tail

(b) Nucleus

(c) Mitochondria

(d) Acrosome

The question was asked in examination.

My query is from Human Reproduction in division Human Reproduction of Biology – Class 12

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Right choice is (c) Mitochondria

For explanation: Mitochondria are present in the middle piece of the sperm. They are essential for producing energy required for movement of tail. This is essential for movement through the genital tract and oviduct before sperm encounters the egg. Rakesh might have less or poorly functional mitochondria, which prevent his normal count of sperms from moving along the genital tract.

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