If the formation of the endoderm does not take place in an embryo, yet the embryo, for whatever reason, continues to develop, which of the following structures will NOT develop?
A) Skin
B) Heart
C) Stomach
D) Kidneys
E) Nervous system

Question

Quizplus · Accepted Answer

The endoderm is the innermost of the three primary germ layers in the very early embryo. The endoderm forms the lining of the digestive and respiratory systems, including structures such as the stomach. Therefore, if the endoderm does not form, the stomach, which is derived from it, will not develop.

If the Formation of the Endoderm Does Not Take Place