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If the dorsal lip of the blastopore of an amphibian is grafted onto another complete blastopore, this will result

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W0lf93
The dorsal lip of the blastopore and the notochord that forms it, constituted an "organizer" that forms new embyonic axes. Transplantation of the embryonic shield into the ventral side of another embryo will cause the formation of a second embryonic axis.