Which of the following is not correct for gastrulation

Archenteron is formed

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All germinal layers are formed

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Morphogenetic movements

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Some blastomeres & blastocoel degenerate

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Solution

The correct option is D Some blastomeres & blastocoel degenerate
Gastrulation is characterised by the presence of archenteron, three germinal layers (ectoderm, mesoderm and endoderm) and morphogenetic movements.

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