When a dorsal lip from a newt is attached to the ventral side of another embryo, it results in ____.
A) two separate newts
B) two attached newts
C) survival of only the original newt
D) death of the newt
E) no observable result

Question

Quizplus · Accepted Answer

When a dorsal lip from a newt is attached to the ventral side of another embryo, it induces the formation of a secondary body axis, leading to the development of conjoined twins or two attached newts. This experiment demonstrates the organizing activity of the dorsal lip in early amphibian development.

When a Dorsal Lip from a Newt Is Attached to the Ventral