A) Before entry of sperm into ovum
B) Simultaneously with first cleavage
C) After entry of sperm but before fertilization
D) After fertilization
Correct Answer: C
Solution :
Sperms enters into \[2{}^\circ \] oocytes which breaks metaphase promoting factor and activates anaphase promoting complex which causes extrusion of second polar body by completing meiosis-IIYou need to login to perform this action.
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