The developing embryo, which starts to develop from a flat sheet of cells, grows to acquire a typical cylindrical shape which takes place through the process of characteristic embryonic folding. The embryo begins to fold laterally and then folds at both the ends, forming a distinct C-shape with a distinct head and tail end.

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Chapter 29, Problem 3RAC

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The developing embryo, which starts to develop from a flat sheet of cells, grows to acquire a typical cylindrical shape which takes place through the process of characteristic embryonic folding. The embryo begins to fold laterally and then folds at both the ends, forming a distinct C-shape with a distinct head and tail end.

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