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Questions and Answers
What is the inheritance pattern of colour blindness?
What is the inheritance pattern of colour blindness?
- Sex-linked dominant
- Autosomal recessive
- Autosomal dominant
- Sex-linked recessive (correct)
What is the probability of a son being color blind if the mother is a carrier of the gene?
What is the probability of a son being color blind if the mother is a carrier of the gene?
- 25%
- 75%
- 100%
- 50% (correct)
Why are males more affected by red-green colour blindness compared to females?
Why are males more affected by red-green colour blindness compared to females?
- Males have two X chromosomes
- Males lack the gene responsible for colour vision
- The gene for red-green colour blindness is on the Y chromosome (correct)
- Females have two X chromosomes
Why are daughters less likely to be color blind?
Why are daughters less likely to be color blind?
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In which type of inheritance pattern does haemophilia follow?
In which type of inheritance pattern does haemophilia follow?
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What happens in an individual with haemophilia when there is a simple cut?
What happens in an individual with haemophilia when there is a simple cut?
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Why does haemophilia predominantly affect males?
Why does haemophilia predominantly affect males?
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How does a female carrier of haemophilia transmit the disease?
How does a female carrier of haemophilia transmit the disease?
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