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Question: If 12% of a cell’s DNA is Guanine, what percentage is Thymine?  Edit

Answer: According to the Chargaff's rules, the DNA has 1:1 ratio of purine bases (cytosine and thymine) and pyrimidine bases (guanine and adenine).
Here Guanine is 12%
So, cytosine will be 12%
Hence the % of thymine will be (100-24)/2 =38%  Edit


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