= Genome annotation
<Genome annotation> assigns features and evidence-backed interpretations to a genomic sequence. It can locate <genes>, repeated elements and regulatory regions, while associating predicted products with possible functions. Structural annotation asks where features lie; functional annotation asks what they do. Both depend on evidence and can change when new data arrive. An apparently missing <gene> can reflect incomplete assembly or annotation rather than a genuine evolutionary loss. <Genomic annotation documentation by the National Library of Medicine>[Nucleotide sequence and genome annotation: annotation]{ref}
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