The testes and the ovaries do not begin making active reproductive cells until:
Correct answer: D. Puberty
- A. Birth
- B. Fertilization
- C. Gastrulation
- D. Puberty
Explanation
Puberty is the stage of development during which adolescents reach sexual maturity and become capable of reproduction. It is during puberty that the testes begin producing sperm in males (spermatogenesis) and the ovaries begin producing eggs (oogenesis). This is the correct option as it marks the onset of active gamete production in the reproductive organs.
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About Reproduction
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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