One of the minute cells, which separates from the animal egg during its maturation, is known as
Correct answer: D. Polar body
- A. Primary spermatogonia
- B. Secondary oogonium
- C. Primary oogonium
- D. Polar body
Explanation
Correct option is D) During the process of oogenesis (formation of egg), following steps take place:Oogonium undergoes ooctyogenesis to give primary oocyte.Primary oocyte undergoes meiosis I to produce first polar body (which is later discarded) and a secondary oocyte.The secondary oocyte then undergoes meiosis II (the maturation step) to produce second polar body (which is very small and is later discarded) and an ovum. Therefore, the correct answer is option D.
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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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