The statement "Rods play a key role in dark adaptation and detects gray, black, and white" is true.
In the peripheral retina are the rods, whose function is more related to vision in low light intensity conditions are responsible for black and white vision.
When the lighting levels are low, the rods that have a higher sensitivity but are not able to distinguish colors act.
In the dark, the color is lost and only things in white, black, gray are perceived and this is due to the supply of information from the rods.
The sensitivity of the rods increases gradually, reaching its maximum degree of sensitivity around 20-30 minutes of permanence in the dark, achieving vision adapted to darkness.
Therefore, we can conclude that the statement "Rods play a key role in dark adaptation and detects gray, black, and white" is true.
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