Which of the following terms is best defined as a mature, motile, and haploid sperm cell produced during spermatogenesis?
Correct answer: D. Spermatozoa
- A. Spermatid
- B. Spermatogonium
- C. Secondary spermatocyte
- D. Spermatozoa
Explanation
The term that best describes a mature, motile, and haploid sperm cell produced during spermatogenesis is "spermatozoon" or simply "spermatozoa" (plural). A spermatozoon is the final stage of spermatogenesis and represents the functional male gamete capable of fertilizing an egg during sexual reproduction. Spermatozoa are characterized by their streamlined structure, consisting of a head, midpiece, and tail, which enables them to move efficiently toward the egg.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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