4 Mutations in opsin genes cause_ types of colorblindness.
Correct answer: C. Three
- A. One
- B. Two
- C. Three
- D. Four
Explanation
There are three types of opsins in the cone cells of our eyes which are associated with normal trichromatic vision. These three types of opsins are controlled by three different types of genes. Thus mutation in these three genes can cause three types of color blindness.
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