Genomics is an interdisciplinary field of biology focusing on the structure, function, evolution, mapping, and editing of genomes. A genome is an organism's complete set of DNA, including all of its genes. In contrast to genetics, which refers to the study of individual genes and their roles in inheritance, genomics aims at the collective characterization and quantification of all of an organism's genes, their interrelations and influence on the organism. Genes may direct the production of proteins with the assistance of enzyme. Refinement of the Cit + function. Given the extremely weak initial Cit + phenotype, additional mutations must have... Potentiation of Cit + evolution. Before the Cit + trait could evolve, the Ara–3 population had to evolve a genetic... Perspective. The evolution of citrate use in an experimental E. coli population... Accession codes.