Working with salamander embryos, Hans Spemann transplanted a piece of a late gastrula that would normally form epidermis of the skin to the region of another late gastrula that would normally form neural tissue.Which result did he get?
A) The recipient gastrula developed a secondary embryo at the transplant site.
B) The transplanted tissue formed epidermis.
C) The recipient gastrula rejected the tissue transplant.
D) The transplanted tissue formed neural tissue.
E) The recipient of the transplant died.

Question

Quizplus · Accepted Answer

The transplanted tissue formed epidermis because, at the late gastrula stage, the fate of the cells is already determined, and they will develop into their predetermined tissue type regardless of their new location.

Working with Salamander Embryos, Hans Spemann Transplanted a Piece of a Late