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A Short Commentary on Genomics

Peter Johnson

Genomics is a branch of biology that focuses on the structure, function, evolution, mapping, and editing of genomes. A genome is a full collection of DNA that includes all of an organism's genes as well as its hierarchical, three-dimensional structural arrangement. In contrast to genetics, which studies individual genes and their functions in inheritance, genomics seeks to characterize and quantify all of an organism's genes, their interrelationships, and their effect on the organism.