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Railways General Science & Technology Genetics Sample Paper Genetics and Evolution Sample Test Paper-30

  • question_answer
    Which of the following is a Test cross?

    A)  TT\[\times \]tt   

    B)  Tt\[\times \]tt

    C)  Tt\[\times \]TT  

    D)  tt\[\times \]tt

    Correct Answer: B

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