Sperry's Initial Version of the Chemoaffinity Hypothesis of Axon Growth

Multiple Choice

Sperry's initial version of the chemoaffinity hypothesis of axon growth has difficulty accounting for

A) the results of Sperry's own eye-rotation regeneration experiments.
B) the ability of axons to grow to their correct targets.
C) the ability of axons to follow exactly the same circuitous route to their target in every member of a species.
D) all of the above
E) both A and B