The end of the gastrulation phase is marked b | vedclass

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(A) Gastrulation is a complex morphogenetic process in early embryonic development where the single-layered blastula is reorganized into a multi-layer

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Obliteration of the blastocoel

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(A) Gastrulation is a complex morphogenetic process in early embryonic development where the single-layered blastula is reorganized into a multi-layered structure known as the gastrula,consisting of three germ layers: ectoderm,mesoderm,and endoderm.During this process,the blastocoel (the fluid-filled cavity of the blastula) is gradually reduced and eventually obliterated as the cells migrate and rearrange to form the new germ layers and the archenteron (the primitive gut).Therefore,the complete obliteration of the blastocoel is considered a hallmark marker for the end of the gastrulation phase.

The end of the gastrulation phase is marked by which of the following?

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