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Railways Sample Paper RRB (Group D) Sample Test Paper-7

  • question_answer
    Which one of the following is a hereditary disease?

    A)  Cataract          

    B)  Haemophilia      

    C)     Pellagra           

    D)  Osteoporosis        

    Correct Answer: B

    Solution :

    [b] Haemophilia is genetic disorder disease in which blood clotting not easily takes place because of recessive X linked chromosome.


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