Final answer:
Colorblindness is a condition in which a person is unable to perceive certain colors. The three main types of color blindness are protanopia, deuteranopia, and tritanopia. This condition is most commonly caused by genetic mutations.
Step-by-step explanation:
Colorblindness, also known as color vision deficiency, is a condition in which a person is unable to perceive certain colors. There are three main types of color blindness: protanopia, deuteranopia, and tritanopia.
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Color blindness is most commonly caused by genetic mutations that affect the photopigments in the cones of the eye. These mutations are usually inherited, and the condition is more common in males than females.