The embryo develops from the
A) the placenta.
B) the zygote's inner cells.
C) the uterine wall.
D) the fetus.

Question

Quizplus · Accepted Answer

The embryo develops from the inner cells of the zygote, which undergoes multiple stages of cell division and differentiation to form the embryo. The placenta and uterine wall contribute to nourishing and protecting the embryo/fetus, but they are not the origin of embryonic development. The fetus refers to the later stages of development beyond the embryonic stage.

The Embryo Develops from the