Duplication mutations result in the selective increase of genes within a localized region of a chromosome. At the chromosomal level, duplication mutations are one of four structural alterations that occur during the duplication (replication) of...

Gene duplication (or chromosomal duplication) is any duplication of a region of DNA that contains a gene; it may occur as an error in homologous recombination, a retrotransposition event, or duplication of an entire chromosome. [1]. The second copy of...