a blastocyst is a group of cells that forms after a human egg is fertilized. The blastocyst consist of two types of cells. Some of these cells develop into all of the cells of a growing fetus. What do the other cells develop into?
A. The Umbilical Cord
B. The Placenta
C. The Embryo
D. The Fetus
At this developmental stage, the conceptus is referred to as a blastocyst. Within this structure, a group of cells forms into an inner cell mass, which is fated to become the embryo.
