Consider the following: A. The reductive division for the human female gametogenesis starts earlier than that of the mal…
Consider the following:
A. The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
B. The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females.
C. The first polar body is associated with the formation of the primary oocyte.
D. Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding.
Choose the correct answer from the options given below:
[NEET 2025]
A and B are true
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A. True — In females, meiosis begins during fetal development, long before birth. In contrast, spermatogenesis (male gametogenesis) starts at puberty.
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B. True — In males, meiosis I and II occur continuously and rapidly during sperm formation. In females, the first meiotic division pauses at prophase I until puberty, and the second division occurs only after fertilization, causing a long gap.
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C. False — The first polar body is formed after the primary oocyte completes meiosis I, not during its formation.
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D. False — The LH surge triggers ovulation, not menstrual bleeding. Menstruation occurs if fertilization does not happen.
Thus, statements A and B are correct, so the answer is Option C.
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