What characterizes individuals with achromatopsia?

Question

Quizplus · Accepted Answer

A)Achromatopsia is a rare form of color blindness in which the individual cannot distinguish any color at all and sees only shades of gray. The most common variant of color blindness is the inability to distinguish between red and green. Less common is the inability to distinguish between blue and yellow. Many people with the blue-yellow variant also have problems distinguishing between green and red.
B)Achromatopsia is a rare form of color blindness in which the individual cannot distinguish any color at all and sees only shades of gray. The most common variant of color blindness is the inability to distinguish between red and green. Less common is the inability to distinguish between blue and yellow. Many people with the blue-yellow variant also have problems distinguishing between green and red.
C)Achromatopsia is a rare form of color blindness in which the individual cannot distinguish any color at all and sees only shades of gray. The most common variant of color blindness is the inability to distinguish between red and green. Less common is the inability to distinguish between blue and yellow. Many people with the blue-yellow variant also have problems distinguishing between green and red.
D)Achromatopsia is a rare form of color blindness in which the individual cannot distinguish any color at all and sees only shades of gray. The most common variant of color blindness is the inability to distinguish between red and green. Less common is the inability to distinguish between blue and yellow. Many people with the blue-yellow variant also have problems distinguishing between green and red.

What Characterizes Individuals with Achromatopsia