In oogamy, fertilization involves:
Correct answer: B. A large non-motile female gamete and a small motile male gamete
- A. A small non-motile female gamete and a large motile male gamete
- B. A large non-motile female gamete and a small motile male gamete
- C. A large non-motile female gamete and a small non-motile male gamete
- D. A large motile female gamete and a small non-motile male gamete
Explanation
Oogamy is the sexual reproduction involving the formation and subsequent fusion of a large, usually stationary, non-motile, female gamete and a small, motile male gamete. The female gamete may contain nourishment for the development of the embryo, which is often retained and protected by the parent organism. Therefore, option B is correct.A. The female gamete is large, not small, and the male gamete is small, not large.C. The female gamete is non-motile, but the male gamete is motile.D. The female gamete is non-motile, and the male gamete is motile.
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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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