The germinal stage of prenatal development begins with
A)the maturation of the female ovum and its entry into the fallopian tube.
B)the uniting of the female ovum and the male sperm.
C)the entry of the zygote into the uterus.
D)the attachment of the zygote to the uterine wall.

Question

Quizplus · Accepted Answer

The germinal stage of prenatal development begins with the uniting of the female ovum and the male sperm, which forms a zygote. This stage lasts for approximately two weeks until the zygote attaches to the uterine wall, which marks the beginning of the embryonic stage.

The Germinal Stage of Prenatal Development Begins with