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MHT CET Medical202626 April 2026Morning ShiftBiologyHuman ReproductionActual

The process of fertilization of a human egg can be confirmed by the presence of __________.

Options

  1. Aperivitelline space
  2. B1^ st polar body
  3. C2^ nd polar body
  4. Dgerminal vesicle

Correct answer

C. 2^ nd polar body

Step-by-step solution

In human females, the secondary oocyte is arrested in the metaphase II stage of meiosis II before ovulation. The completion of meiosis II occurs only when a sperm enters the secondary oocyte during fertilization. Upon the entry of the sperm, the secondary oocyte completes its second meiotic division, resulting in the formation of a large ovum (ootid) and a small second polar body. Therefore, the presence of the second polar body is a definitive confirmation that the process of fertilization has occurred. Answer: 2^

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