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Question: Answered & Verified by Expert
In human during fertilisation a sperm firstly comes in contact with which layer of ovum
BiologyHuman ReproductionJIPMERJIPMER 2014
Options:
  • A zona pellucida
  • B vitelline membrane
  • C jelly coat
  • D zona radiata
Solution:
2736 Upvotes Verified Answer
The correct answer is: zona radiata
Zona radiata is cellular layer around a mature ovum. Sperm has to penetrate through this by using hyaluronidase enzyme to reach upto zone pellucide membrane, which is acellular.

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