The structure in birds that is most analogous to the dorsal lip of the frog blastopore is
A) the primitive streak.
B) the archenteron.
C) the yolk plug.
D) Hensen's node.
E) the notochord.

Question

Quizplus · Accepted Answer

Hensen's node in birds is analogous to the dorsal lip of the frog blastopore as both are organizing centers that play a crucial role in the early stages of embryonic development, particularly in gastrulation and the formation of the body axis.

The Structure in Birds That Is Most Analogous to the Dorsal