What Occurs in the Zygote as It Moves Through the Fallopian

Multiple Choice

What occurs in the zygote as it moves through the fallopian tube toward the uterus?

A) It begins to reproduce itself through the process of meiosis.
B) It undergoes little change until after implantation in the uterus.
C) It begins to reproduce itself through the process of mitosis.
D) It undergoes rapid differentiation to determine the sex of the zygote.