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Robustness (evolution)
Persistence of a biological trait under uncertain conditions / From Wikipedia, the free encyclopedia
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In evolutionary biology, robustness of a biological system (also called biological or genetic robustness[1]) is the persistence of a certain characteristic or trait in a system under perturbations or conditions of uncertainty.[2][3] Robustness in development is known as canalization.[4][5] According to the kind of perturbation involved, robustness can be classified as mutational, environmental, recombinational, or behavioral robustness etc.[6][7][8] Robustness is achieved through the combination of many genetic and molecular mechanisms and can evolve by either direct or indirect selection. Several model systems have been developed to experimentally study robustness and its evolutionary consequences.
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