Which of the following is not a true characteristic of spermatogonia?
Correct answer: D. They are haploid
- A. They develop into primary spermatocytes through mitosis
- B. They are undifferentiated
- C. They are germ line cells
- D. They are haploid
Explanation
Spermatogonia are diploid germ cells. They undergo mitosis to maintain the germ cell pool and differentiate into primary spermatocytes, which then undergo meiosis to produce haploid spermatids.
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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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