Typically,one one sperm fertilizes the oocyte because
A) an acid solution is released that kills all other sperm.
B) special organelles within the oocyte eject more than one sperm.
C) changes occur to the protein coat that prevent further penetration.
D) follicle cellular space is only wide enough for one sperm.
E) usually only one sperm arrives at the oocyte.

Question

Quizplus · Accepted Answer

After the first sperm penetrates the oocyte, changes occur in the zona pellucida (protein coat) that prevent other sperm from penetrating, a process known as the cortical reaction.

Typically,one One Sperm Fertilizes the Oocyte Because