Homework Answers
Solution
- Adenine makes up 30.9 % of the DNA sample.
- According to chargaffs rule amount of Adenine is equal to amount of thymine and amount of guanine is equal to cytosine.
- that means same percent of Thymine will present in DNA sample that is Thymine is also 30.9 percent.
- So A+T=61.8 %
- G+C=100-61.8
- =38.2 %
- But percent of C = percent of G
- Hence 2G=38.2
- G=38.2÷2=19.1 %
- So guanine is 19.1 % and cytosine is also 19.1 %
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