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2.Human Reproduction
normal
After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by
A
Development of the vitelline membrane
B
Development of the pigment coat
C
Condensation of yolk
D
Formation of fertilization membrane
Solution
(d)Fertilization membrane prevents polyspermic fertilization by preventing further entry of spermetozoa.
Standard 12
Biology