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Chargaff's rule
Concepts tested here
- Base pairing percentages
All Questions
2015 AIPMT-I 1 question
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In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in the DNA areChargaff's rule for double-stranded DNA: A = T and G = C.
C = 17%, so G = 17%.
A + T = 100 − 34 = 66%, and A = T, so A = 33% and T = 33%.
