sanfer
Forum Newbie
Topics: 8
Posts: 18
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Which of the following is responsible for the prevention of polyspermy, the fertilization of an oocyte by more than one sperm?
A. Resumption of the first meiotic division
B. Resumption of the second meiotic division
C. Capacitation
D. The zona reaction
E. The release of enzymes from the sperm acrosome
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| SDK
Forum Fanatic
Topics: 537
Posts: 1,587
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It is D....Zona reaction....penetration of sperm to Zona pallucida stimulate cortical reaction...to prevent penetration of other sperms.....
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| mona1976
Forum Senior
Topics: 14
Posts: 119
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The correct answer is D.bcz no other are possible.and release of acrosomal enzymes help in penetration of sperm in zona pellucida.
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| Ancylostoma
Forum Guru
Topics: 42
Posts: 642
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Agreed. the answer is D
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