Which of the following statements INCORRECTLY describes a process during fertilization?
a)
During fertilization, sperm binding to the zona pellucida triggers the acrosomal reaction, allowing enzymatic digestion of the protective layer surrounding the oocyte.
b)
Syngamy is the moment when the cell membranes of the sperm and egg fuse together allowing the pronuclei from the sperm to enter the egg.
c)
Activation of egg metabolism is triggered after the pronuclei of the egg and sperm fuse, leading to formation of the zygote's mitotic apparatus.
d)
Cortical granule exocytosis following sperm entry leads to zona hardening, preventing polyspermy and ensuring only one sperm fertilizes the egg.