The number of spermatids produced from primary spermatocytes is?
Correct answer: D. 4
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
Each primary spermatocyte undergoes two rounds of meiotic division, known as meiosis I and meiosis II. The result of these divisions is four haploid spermatids. This entire process is called spermatogenesis, which ultimately results in the formation of four mature sperm cells. Option A is incorrect as only one spermatid is not produced; Option B is incorrect because two spermatids are not the final result; Option C is incorrect as three spermatids are not produced in this process.
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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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