Embryonic mass can generate all of the following except:
Correct answer: B. Chorion
- A. Amnion
- B. Chorion
- C. Yolk sac
- D. Allantois
Explanation
The embryonic mass is the mass of cells inside the embryo that will eventually give rise to the definitive structures of the fetus. It cannot generate the chorion, which forms the placenta.
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About Embryonic Development
Embryonic development begins after fertilization with cleavage and formation of the morula and blastula, followed by gastrulation and the establishment of germ layers. It includes organ formation, tissue differentiation and early growth, rather than the later increase in size associated with postnatal development.
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