NEET Solved Paper 2019 Question 2
Question: Extrusion of second polar body from egg nucleus occurs: [NEET 5-5-2019]
Options:
A) Before entry of sperm into ovum
B) Simultaneously with first cleavage
C) After entry of sperm but before fertilization
D) After fertilization
Show Answer
Answer:
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-II
