What Was the Theoretical Significance in the Discovery of Color

Multiple Choice

What was the theoretical significance in the discovery of color vision deficiency?​

A) It was the first case of identifying a specific gene that influences behavior.
B) ​It demonstrated the difference between cones and rods.
C) ​It demonstrated the importance of early experience for visual development.
D) ​It showed that color is in the brain, not in the light.