Genomics is often described as the study of all genes of a cell or tissue at multiple levels including: DNA (genotype), mRNA (transcriptome) and protein (proteome). Many researchers in this field are currently focused on intensive efforts to determine entire DNA sequences of organisms and to fine-scale attempts at genetic mapping. Thus, the range of tools required to study or map an entire genome can be quite extensive- sequencing systems, amplification kits, libraries, arrays, bioinformatics and software are just some of the important tools used in the field of genomics.
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