Which of the following is the largest in size?
Correct answer: C. Mature egg cell
- A. Mature sperm cell
- B. They are all approximately the same size
- C. Mature egg cell
- D. Polar body
Explanation
The mature egg cell is the largest in size among the options given. It is about 120 micrometers in diameter, while a mature sperm cell is about 5 micrometers in diameter. Polar bodies are even smaller, at about 2 micrometers in diameter. So option C 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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