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  5. Principle Of Inheritance And Variation

12th Class Biology Principle Of Inheritance And Variation Question Bank MCQs - Principles of Inheritance and Variation

  • question_answer
    A woman with two genes, one for haemophilia and a gene for colour blindness on one of the 'X' chromosomes marries a normal man. Progeny will be : 

    A) All sons and daughters haemophilic and colour-blind

    B) Haemophilic and colour-blind daughters

    C) 50% haemophilic colour-blind sons and 50% normal sons

    D) 50% haemophilic daughters and 50% colour-blind daughters

    Correct Answer: C

    Solution :

    50% haemophilic colour-blind sons and 50% normal sons


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