Second meiotic division in oocyte is completed:
Correct answer: A. When oocyte is fertilized by sperm
- A. When oocyte is fertilized by sperm
- B. When ovum is discharged from the ovary
- C. Just before fertilization
- D. Before the onset of menstruation
Explanation
The correct answer is when the oocyte is fertilized by a sperm. This marks the completion of the second meiotic division, leading to the formation of an ovum. The other options do not accurately depict the specific event that signifies the end of this division process, making them incorrect choices.
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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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