After a sperm has penetrated an ovum in the process of fertilization, – McqOptions

MCQOPTIONS

1.	After a sperm has penetrated an ovum in the process of fertilization, entry of further sperms is prevented by [NCERT 1984]
A.	Development of the vitelline membrane
B.	Development of the pigment coat
C.	Condensation of yolk
D.	Formation of fertilization membrane
Answer» E.

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