Immediate next stage of spermatogonia differentiation is:
Correct answer: C. Primary spermatocytes
- A. Secondary spermatocyte
- B. Spermatids
- C. Primary spermatocytes
- D. Sperms
Explanation
Primary spermatocytes are diploid cells in the testes formed from spermatogonia. They undergo meiosis I to produce two haploid secondary spermatocytes. Primary spermatocytes are located in the seminiferous tubules and are essential for sperm production.
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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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