Question Detail
Question
During fertilization, the sperm must penetrate a region of the egg called
Correct Answer
Option C is the correct answer.
Detailed Explanation
The zona pellucida is a thick, transparent glycoprotein layer surrounding the plasma membrane of the mammalian egg. Sperm must bind to and penetrate this layer for fertilization to occur.
Hint
What is the name of the protective layer surrounding the egg that the sperm must get through?