Final answer:
Monochromats are individuals with true color blindness who see only shades of black and white or gray.
Explanation:
True
People who see only in black and white are indeed called monochromats. This condition can be found in individuals with true color blindness, also known as rod monochromats, where they lack color sensation and can only perceive shades of black and white or gray.
In contrast, color deficiency is more common and results from the lack of one of the cone pigments, leading to difficulty in distinguishing between certain colors. It's important to note that true color blindness is rare, and individuals with this condition may see the world in a monochromatic manner.
Learn more about Monochromats and true color blindness here:
https://brainly.com/question/40206794
