SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    Haemophilia is more common in males because it is a

    A)  Recessive character carried by Y-chromosome

    B)  Dominant character carried by Y-chromosome

    C)  Dominant trait carried by X-chromosome

    D)  Recessive trait carried by X-chromosome

    Correct Answer: D

    Solution :

     Haemophilia is a disorder, which is sex-linked (X-chromosome) recessive condition. Males have only one X-chromosome, so this disease appears in them more than female as they have 2X-chromosomes.

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