Multiple Choice
Where is the retina located?
4. Sensation and Perception
Visual Anatomy
Multiple Choice
Which of the following statements is true about color blindness?
A
It is more prevalent among females than males.
B
It is caused by defective cones in the iris of the eye.
C
When it involves one set of cones, it is inherited in a pattern known as sex-lined inheritance.
D
The most common type is called monochrome color blindness.
Verified step by step guidance1
Understand that color blindness is a condition where individuals have difficulty distinguishing between certain colors, often due to issues with the cones in the retina, not the iris.
Recognize that color blindness is more prevalent in males than females due to its inheritance pattern. It is often linked to the X chromosome, which is why it is more common in males who have only one X chromosome.
Identify that the statement about sex-linked inheritance is true. This type of inheritance pattern is typical for conditions like red-green color blindness, which is the most common form.
Clarify that monochrome color blindness, where individuals see no color at all, is extremely rare. The most common types are red-green and blue-yellow color blindness.
Conclude that the statement about sex-linked inheritance is the correct one, as it accurately describes the genetic pattern of most common types of color blindness.
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