A person with a deficiency in only one of the color systems, such as red–green, would be considered a ___________, while someone who is color-blind in two color systems is a labeled a _____________.Group of answer choicesA. monochromat; dichromatB. dichromat; monochromatC. monochromat; trichromatD. dichromat; trichromat
Question
A person with a deficiency in only one of the color systems, such as red–green, would be considered a ___________, while someone who is color-blind in two color systems is a labeled a _____________.Group of answer choicesA. monochromat; dichromatB. dichromat; monochromatC. monochromat; trichromatD. dichromat; trichromat
Solution
The correct answer is B. dichromat; monochromat.
A person with a deficiency in only one of the color systems, such as red–green, would be considered a dichromat. Dichromacy is a condition in which one of the three basic color mechanisms is absent or not functioning. It is caused by defective cones in the retina of the eye.
On the other hand, someone who is color-blind in two color systems is labeled a monochromat. Monochromacy is a severe form of color blindness where two or all three of the cone pigments are missing and color and lightness vision is reduced to one dimension.
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