1. One of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands; the base pairs are adenine with thymine and guanine with cytosine in DNA and adenine with uracil and guanine with cytosine in RNA

Derived forms: base pairs

Type of: base, nucleotide

Part of: deoxyribonucleic acid, desoxyribonucleic acid, DNA

Encyclopedia: Base pair

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