Order the Events of Fertilization and Implantation in the Appropriate

Multiple Choice

Order the events of fertilization and implantation in the appropriate order.
1) Implantation of the developing embryo.
2) The developing embryo becomes a blastocyst which consists of a hollow ball of cells.
3) Mitosis occurs in the fallopian tube.
4) The cortical reaction occurs, preventing polyspermy.
5) The egg is fertilized by the sperm.

A) 5, 3, 2, 4, 1
B) 5, 4, 3, 2, 1
C) 4, 5, 2, 3, 1
D) 4, 3, 5, 2, 1
E) 5, 3, 4, 1, 2