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  4. If a double-stranded DNA has 30% of guanine, what will be the percentage of adenine and thymine base pairs?

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Q. If a double-stranded DNA has 30% of guanine, what will be the percentage of adenine and thymine base pairs?

NTA AbhyasNTA Abhyas 2020Molecular Basis of Inheritance

Solution:

If a double stranded DNA consists of 30% guanine, then according to Chargaff's rule, cytosine is also 30%. Remaining 40% includes adenine and thymine base pairs.