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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
    There are five daughters and no son in a family. It may be due to

    A) father produced only X containing sperms

    B) father produced no sperms at all

    C) Y type sperms are weaker and not effective

    D) by chance each time X sperm fertilised the egg

    Correct Answer: D

    Solution :

    [d] There are five daughters and no son in a family because by chance, each time X sperm fertilised the egg.


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