The formation of the lens of the vertebrate eye from a skin layer in contact with an outgrowth of the embryonic brain is an example of
A)cellular aggregation.
B)induction.
C)morphogenesis.
D)gastrulation.
E)neurulation.

Question

Quizplus · Accepted Answer

The formation of the lens of the vertebrate eye from a skin layer in contact with an outgrowth of the embryonic brain is an example of induction, where one group of cells gives a signal that directs the development of another group of cells.

The Formation of the Lens of the Vertebrate Eye from a Skin