Question

A person who is colour blind cannot distinguish

• A. Yellow and white
• B. Red and green
• C. Yellow and blue
• D. Black and white

Answer 1

The correct option is B

Red and green

The correct option is B.

Explanation of correct option:

Colour blindness:

1. Colour blindness is a type of disorder in which the person faces trouble in seeing or identifying certain colors like red and green. They also have difficulties identifying the differences between color shades.
2. This condition is caused by genes located on the X chromosome; hence it is known as sex-linked disease.
3. It is a recessive disorder since it occurs when an individual has defects in all the X chromosomes of the cell.
4. It is more common in males than in females.

Final answer: A person who is colorblind cannot distinguish red and green.