Why is color blindness more common in males than in females?
Correct answer: D. Color blindness is a sex-linked genetic disease
- A. Men do not take care of their eyes well enough
- B. Men spend more time in front of digital screens than women
- C. Men usually aren't able to distinguish between colors due to some circuitry in their right hemisphere of the brain
- D. Color blindness is a sex-linked genetic disease
Explanation
Since it's passed down on the X chromosome, red-green color blindness is more common in men. This is because: Males have only 1 X chromosome, from their mother. If that X chromosome has the gene for red-green color blindness (instead of a normal X chromosome), they will have red-green color blindness.
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