The two strands of double-stranded DNA have the same content of each of the bases A,T,G and C.

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In double-stranded DNA, the two strands are complementary, not identical. This means that wherever there is an adenine (A) in one strand, there is a thymine (T) in the opposite strand, and wherever there is a cytosine (C) in one strand, there is a guanine (G) in the opposite strand. Therefore, the content of A, T, G, and C is not the same in both strands, but rather A pairs with T and G pairs with C.

The Two Strands of Double-Stranded DNA Have the Same Content