Biology for IGCSE & O level - Reproduction (Section 8 - No. 26)
What is the role of the zona pellucida in the process of fertilization?
It nourishes the egg.
It protects the egg and aids in sperm binding.
It helps with the implantation of the embryo.
It produces estrogen.
Explanation
The zona pellucida surrounds the egg and is essential for sperm binding and penetration.
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