Frogs, unlike mammals, have retinal ganglion cells that are capable of
A) degeneration.
B) proliferation.
C) color vision.
D) regeneration.
E) aggregation.
Question 2
Sperry's experiments on eye-rotation in frogs led to an influential hypothesis that explains how growth cones find their way to their targets: the
A) radial glial hypothesis.
B) cell-adhesion hypothesis.
C) chemoaffinity hypothesis.
D) growth cone hypothesis
E) CAM hypothesis