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

  • question_answer
    Colour blindness in humans

    A) results in defect in either red or green cone of eyes

    B) is caused due to the mutation in gene found on X-chromosome

    C) affects males more frequently than females

    D) All of the above

    Correct Answer: D


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