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Human Reproduction question

2019 · Q37
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Human Reproduction question

2019 · Q37

NEETBiologyHuman ReproductionMCQ+4 / −1
Extrusion of second polar body from egg nucleus occurs :
  1. A
    Before entry of sperm into ovum
  2. B
    Simultaneously with first cleavage
  3. C
    After entry of sperm but before fertilization
  4. D
    After fertilization
View written solutionFree

Correct answer: C

Sperms enters into 2o oocytes which breaks metaphase promoting factor and activates anaphase promoting complex which causes extrusion of second polar body by completing meiosis-II.

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