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NEET Biology Principle Of Inheritance And Variation Question Bank Critical Thinking

  • question_answer
    A boy is colour blind, in his two sisters one is colour blind and one is carrier (normal). Then who is colour blind in his family [CPMT 1994]

    A) Father

    B) His grandfather and mother

    C) Mother

    D) His grand father

    Correct Answer: A

    Solution :

    When a colourblind man marries a carrier woman then half of his sons will be colourblind and rest half normal and half of his daughters will be colourblind and rest half carriers.


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