The process of determining the precise order of nucleotides (A, T, G, C) in a DNA molecule. Modern sequencing technologies can read millions of DNA letters rapidly, enabling genome analysis and genetic research.
From 'DNA' (deoxyribonucleic acid) and 'sequencing' from Latin 'sequi' meaning 'to follow,' referring to determining the following order of nucleotides. The first practical methods were developed in the 1970s by Frederick Sanger and others.
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