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CGP EDU Academic Team
Published on: August 12, 2026
Extrusion of second polar body from egg nucleus occurs:
Text Solution
Verified by ExpertsThe correct answer is:
C
Extrusion of the second polar body from the egg nucleus occurs after entry of sperm but before fertilization.
The entry of sperm into the ovum induces completion of the meiotic division of the secondary oocyte. Entry of sperm causes breakdown of metaphase promoting factor (MPF) and turns on anaphase promoting complex (APC).
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