Which one of the following develops from the trophoblast?

Placenta

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Allantois

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Epidermis of the skin

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Yolk sac

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Solution

The correct option is A Placenta
Trophoblasts are the cells forming the outer layer of a blastocyst, which provides nutrients to the developing embryo and it develops into a large part of placenta. Thus, trophoblasts are specialized cells of the placenta that plays an important role in embryo implantation.
Thus, the correct answer is option (A), 'Placenta'.

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