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Embryology Fertilization - Questions and Answers

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16. Which causes the clumping of sperms over the egg surface
A. Fertilizing
B. Luciferin
C. Anti fertilizing
D. Zymogen
Explanation:
17. The term amphimixis refers to the
A. Mixing of maternal and paternal cytoplasm
B. Joining of cell membranes of sperm and egg
C. Mixing of paternal and maternal chromosomes
D. Fusion of male centriole and female centriole
Explanation:
18. Perivitelline space is formed between
A. Cell wall and vitelline membrane
B. Plasma membrane and vitelline membrane
C. Plasma membrane and fertilization membrane
D. Fertilization membrane and vitelline membrane
Explanation:
19. During fertilization, polyspermy is prevented by
A. Fertilizing
B. Anti fertilizing
C. Spermlysin
D. Fertilization membrane
Explanation:
20. The angle of rotation of the egg in fertilization is
A. 180°
B. 90°
C. 120°
D. 360°
Explanation:
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