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NEET2025ZoologyHuman ReproductionActual

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

Options

  1. AA and B are true
  2. BA and C are true
  3. CB and D are true
  4. DB and C are true

Correct answer

A. A and B are true

Step-by-step solution

Statements A and B are true while statements C and D are false. The first polar body is associated with the formation of the secondary oocyte LH surge leads to ovulation. Decreased levels of progesterone during late luteal phase leads to degeneration of the endometrium and onset of menstrual bleeding.

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