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

  • question_answer
    Which of the following crosses and resultant phenotype ratios are mismatched?

    A) \[Tt\times Tt-3\,:\,1\]

    B) \[tt\times Tt-2\,;\,1\]

    C) \[Tt\,\,Yy\,\,\times \,\,ttyy\,\,-\,\,1\,\,:\,\,1\,\,:\,\,1\,\,:\,\,1\]

    D) \[Tt\,Yy\,\times \,\,TtYy\,\,\,-\,9\,\,:\,\,3\,\,:\,\,3\,\,:\,\,\,1\]

    Correct Answer: B

    Solution :

    \[tt\times Tt-2\,;\,1\]


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