Consider a person with a mutation that prevents green cones from being activated, and therefore cannot transmit a signal. According to trichromatic theory, what effect would this have on colour perception?
A)
The colour red could be seen, but the colours green and yellow would be impaired.
B)
The colours red, green, and yellow would all be impaired.
C)
The colour yellow could be seen, but the colours red and green would be impaired.
D)
The colours yellow and red could be seen, but the colour green would be impaired.
Answer: A