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Why do the sons of a carrier mother and ...

Why do the sons of a carrier mother and a normal father suffer from haemophilia whereas the son of a haemophilic father and normal mother would not?

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ICSE-PRINCIPLES OF INHERITANCE AND VARIATION-PRACTICE QUESTIONS ( SHORT ANSWER TYPE-II QUESTIONS)
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  2. What is pedigree analysis? What are the symbols used in such an analys...

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  3. Why do the sons of a carrier mother and a normal father suffer from ha...

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  6. What are duplication and translocation in connection with chromosomal ...

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  9. Explain the mechanism of sex determination in humans.

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  14. Taking the example of ABO blood types of humans, explain the phenomena...

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  18. If a true breeding homozygous pea plant with green pod and axial flowe...

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