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If a double-stranded dna sample were composed of 10 percent thymine, what would be the percentage of guanine?.

Sagot :

The strand of DNA will be composed of 40% guanine.

We know that each base have complimentary bases, so since there are 10% thymine, we can expect that there will also be 10% adenine. That leaves us with 80%. There are two bases left, guanine and cytosine, so if you divide 80% by 2, you will get 40%.