50 secondary spermatocytes and 50 secondary oocytes will give rise to
Correct answer: B. 100 sperms and 50 ova
- A. 50 sperms and 50 ova
- B. 100 sperms and 50 ova
- C. 200 sperms and 50 ova
- D. 50 sperms and 100 ova
Explanation
Each secondary spermatocyte gives rise to 2 sperm and each secondary oocyte gives rise to 1 ova and 1 polar body. The polar body is ruptured and is used as a source of nutrition, so only one ova is produced by 1 secondary oocyte. In short, each secondary spermatocyte will produce 2 sperms so 50 secondary spermatocytes will produce 100 sperms (2*50). At the same time, each secondary oocyte will give only one Ova so 50 secondary oocytes = 50 ova.
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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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