Why Does an Embryo Undergo the Process of Gastrulation

question 70

Multiple Choice

Why does an embryo undergo the process of gastrulation?

• A)Gastrulation separates the cells of the inner cell mass and the trophoblast so that the trophoblast is free to develop into the placenta.
• B)During gastrulation, the cells of the embryo move around to create the four extraembryonic membranes that protect the membranes.
• C)The rapid cell division that occurs during gastrulation allows the embryo to increase quickly in cell number without using much energy for cell growth.
• D)Cells in the blastocyst differentiate to form embryonic tissues, but are not originally located in the right place. Gastrulation moves these cells to the proper position in the embryo.

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