Selection and gene duplication: a view from the genome

AUTOR(ES)

Wagner, Andreas

FONTE

BioMed Central

RESUMO

Immediately after a gene duplication event, the duplicate genes have redundant functions. Is natural selection therefore completely relaxed after duplication? Does one gene evolve more rapidly than the other? Several recent genome-wide studies have suggested that duplicate genes are always under purifying selection and do not always evolve at the same rate.

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