Embryonic induction is caused by part developing from_____________?
Correct answer: C. Mesoderm
- A. Endoderm
- B. Ectoderm
- C. Mesoderm
- D. Extraembryonic layers
Explanation
Embryonic induction occurs when one group of embryonic cells influences the development of neighbouring cells; the mesoderm acts as an important inducing tissue in early development. Thus, many such developmental signals arise from mesoderm-derived parts. A student may choose ectoderm because it forms structures such as the nervous system, but the question is asking about the inducing tissue, not the tissue being induced.
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