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The percentage of nucleotide A in DNA is...

The percentage of nucleotide A in DNA isolated from human liver is observed to be 29.6%. What is the expected percentage of T, G and C? Justify.

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a. T = 29,6%, G = 20.4%, C = 20.4%
b. The amount of A is always equal to T. So the percentage of T is 29.6. G and C together would make up the remainder or 100 – (29.6 + 29.6) = 40.8. Thus the percentage of C and G separately would be expected to be equal or half of 40.8 or 20.4.
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