Question

Formation of the primitive streak occurs during what stage of embryogenesis?
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Answer 1

Answer:

Gastrulation is the conversion of the epiblast from a bilaminar disc into a trilaminar embryonic disc consisting of ectoderm, mesoderm, and endoderm. Gastrulation begins with the formation of the primitive streak....

Explanation:

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Answer 2

Answer:

Gastrulation is the conversion of the epiblast from a bilaminar disc into a trilaminar embryonic disc consisting of ectoderm, mesoderm, and endoderm. Gastrulation begins with the formation of the primitive streak.

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