The trichromatic theory provides the best explanation for the most common form of color-blindness.

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The most common form of color-blindness, known as red-green color blindness, is caused by the malfunctioning of one or more of the three types of cones that are responsible for detecting different wavelengths of light in the eye. The trichromatic theory, also known as the Young-Helmholtz theory, explains how these three types of cones work together to produce color vision in people with normal color vision. However, in individuals with red-green color blindness, there is a deficiency in one or more of these cones, leading to an inability to distinguish between certain colors. Therefore, the trichromatic theory does provide the best explanation for the most common form of color-blindness.

The Trichromatic Theory Provides the Best Explanation for the Most