Capacitation refers to changes in the:
Correct answer: C. Sperm before fertilization
- A. Ovum after fertilization
- B. Sperm after fertilization
- C. Sperm before fertilization
- D. Ovum before fertilization
Explanation
The sperms in the female's genital tract are made capable of fertilizing the egg by secretions of the female genital tract. These secretions remove coating substances deposited on the surface of the sperms particularly those on the acrosome. Thus, the receptor sites on the acrosome are exposed and sperm be comes active to penetrate the egg. This phenomenon of sperm activation in mammals is known as capacitation.
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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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