The period of the zygote begins with
A)ovulation.
B)ejaculation.
C)implantation.
D)fertilization.

Question

Quizplus · Accepted Answer

The period of the zygote starts with fertilization, which is when a sperm cell fuses with an egg cell to form a single-celled zygote. This is the earliest stage of human development and marks the beginning of the prenatal period. Ovulation and ejaculation are both events that occur prior to fertilization, while implantation occurs after the zygote travels through the fallopian tube and reaches the uterus.

The Period of the Zygote Begins with