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Which of the following is the most common form of colour blindness, usually found in males?

Which of the following is the most common form of colour blindness, usually found in males?

  • (A) Difficulty in distinguishing red from green
  • (B) Difficulty in distinguishing red from blue
  • (C) Difficulty in distinguishing blue from green
  • (D) Difficulty in distinguishing blue from black
Red and green color blindness is the most common type of color vision deficiency. It mainly affects the ability to distinguish between red and green. This condition is more common in males than females. It affects 8% of males and only 0.5% of females. It is an X-linked recessive trait. Since the genes are present on the X chromosome, males who have only one X chromosome will have the condition if that single chromosome has the gene. Females have two X chromosomes and usually need both to be affected.
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March 18, 2026 No Comments
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