Which result did Hans Spemann and Hilde Mangold get when they transplanted the dorsal lip of the blastopore of an early amphibian gastrula to the belly region of another early gastrula?
A) The transplanted tissue was rejected.
B) The recipient of the transplant died.
C) A second site of gastrulation was stimulated, but that embryo died.
D) A secondary embryo formed belly-to-belly with the first embryo.
E) The transplanted tissue passed through gastrulation only to form an incomplete embryo.

Question

Quizplus · Accepted Answer

Hans Spemann and Hilde Mangold observed that when they transplanted the dorsal lip of the blastopore of an early amphibian gastrula to the belly region of another early gastrula, a secondary embryo formed belly-to-belly with the first embryo. This experiment demonstrated the concept of embryonic induction, where one group of cells can direct the fate of nearby cells. This experiment played a significant role in the development of our understanding of early embryonic development.

Which Result Did Hans Spemann and Hilde Mangold Get When