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Which one of the following ensures only one sperm can fertilise an ovum1)secretions of the acrosome2)secretions of the zona Pellucida3)secretion of corona radiata4)amupullary isthmic reaction

Which one of the following ensures only one sperm can fertilise an ovum1)secretions of the acrosome2)secretions of the zona Pellucida3)secretion of corona radiata4)amupullary isthmic reaction

Grade:12th pass

1 Answers

Simran Vinaik
askIITians Faculty 1231 Points
3 years ago
Zona pellucida penetration by one sperm brings about changes in Zona pellucida. The egg can be fertilized by many sperm if the zona pellucida is removed.
So ans is 2)

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