Multiple choice

Colour blindness is due to :

  1. recessive female chromosome

  2. dominant female chromosomes

  3. recessive male chromosomes

  4. dominant male chromosomes

  5. none of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The gene which is responsible for the condition is carried on the X chromosome and this is the reason why many more men are affected than women.

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