Early embryonic development in amphibians and aves serve as two different plans of development. In the former, germ layer formation is initiated from a fluid-filled blastula, while in the latter, it initiates on a flat blastodisc. Consider the following terms associated with amphibian embryos (Column I) and avian embryos (Column II): Column I: A. Blastocoel B. Blastopore lip C. Dorsal lip of blastopore D. Blastopore E. Nieuwkoop center Column II: i. Posterior Marginal Zone ii. Primitive streak iii. Hensen's node iv. Between epiblast and hypoblast v. Primitive groove Which of the following represents the correct match between Column I and Column II?

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Biology · Developmental Biology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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(A - iv), (B - ii), (C - iii), (D - v), (E - i)

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