RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    Which of the following follows Chargaff rule?

    A) \[\text{A+G=T+C}\]       

    B)        \[\text{A=C}\]

    C) \[\text{G=T}\]                  

    D)        \[\frac{\text{A+T}}{\text{G+C}}\text{=1}\]

    Correct Answer: A

    Solution :

    According to Chargaff 1949 the ratio of four nuclcotidcs varies from species to species and a specific ONA contains equal amount of particular purines and pyrimidines i.e. the amount of A = T and that of \[G\equiv C\].


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