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The evolution of gene number: are heritable and non-heritable errors equally important?

, : The evolution of gene number: are heritable and non-heritable errors equally important?. Heredity 84(4): 393-400

Whether heritable and non-heritable errors are equally important in the evolution of gene numbers was investigated. Consideration of the load posed by each sort of error revealed that the harmful effect of non-heritable failures was higher than that of heritable mutations. Both theory and evidence indicate that the most prevalent errors are the least important, and empirical evidence indicates that duplication per se tends to result in expression errors that may be heritable. Thus, a hybrid model that evokes heritable expression errors is probably the most realistic.


PMID: 10849062

DOI: 10.1046/j.1365-2540.2000.00725.x

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