Colour Blindness MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
Quick Facts
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13 Questions around this concept.
Solve by difficulty
EASYSuppose a man is colorblind. What are the chances of his son inheriting color blindness from him?
A colour blind man marries the daughter of a colour blind person. Then in their progeny:
Concepts Covered - 1
Colour Blindness
- It is a sex-linked recessive disorder, which results in a defect in either the red or green cone of the eye.
- It does not mean not seeing any colour at all, in fact, it leads to the failure in discrimination between red and green colour.
- The gene for colour blindness is present on X-chromosome.
- It is more present in males (XCY) because of the presence of only one X-chromosome as compared to two chromosomes in females.
- A heterozygous female has normal vision, but is a carrier and passes on the disorder to some of her sons.
- Colour blindness like any other inheritance show crisscross inheritance.
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