Which one of the following differenciates directly into mature sperm?
Correct answer: D. Spermatid
- A. Primary spermatoeyte
- B. Secondary spermatocyte
- C. Spermatogonia
- D. Spermatid
Explanation
Spermatids undergo a process called spermiogenesis to differentiate into mature sperm cells (spermatozoa), involving structural changes to develop the characteristic shape and features of sperm. So option D is correct.
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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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