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Question
If the total amount of adenine and thymine in a double- stranded DNA is 45%, what will be the amount of guanine in this DNA?
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Solution
The correct option is A 27.5%
As per the question, the amount of A and T makes 45%. Therefore the percentage of C and G put together will account for 55%. Thus, the amount of guanine in that DNA will be 55/2 = 27.5%. This is calculated in accordance to Chargaff's rule.
As per the question, the amount of A and T makes 45%. Therefore the percentage of C and G put together will account for 55%. Thus, the amount of guanine in that DNA will be 55/2 = 27.5%. This is calculated in accordance to Chargaff's rule.
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