8 Questions
What is the inheritance pattern of colour blindness?
Sex-linked recessive
What is the probability of a son being color blind if the mother is a carrier of the gene?
50%
Why are males more affected by red-green colour blindness compared to females?
The gene for red-green colour blindness is on the Y chromosome
Why are daughters less likely to be color blind?
They inherit two X chromosomes
In which type of inheritance pattern does haemophilia follow?
Sex-linked recessive
What happens in an individual with haemophilia when there is a simple cut?
Non-stop bleeding occurs
Why does haemophilia predominantly affect males?
Males only need one copy of the affected gene to show symptoms
How does a female carrier of haemophilia transmit the disease?
Only to her sons
Explore the genetic basis of blood groups in the human population using the example of ABO blood grouping. Understand how multiple alleles govern the characteristics of blood types in offspring.
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