News FocusGenetics

Why Evolution Might Not Favor Increased Genetic Variability

Science  08 Jun 2001:
Vol. 292, Issue 5523, pp. 1826
DOI: 10.1126/science.292.5523.1826

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Evolutionary biologists are often stymied when they try to imagine the evolution of mechanisms designed to increase genetic variability. One reason is that such mechanisms can only be selected indirectly, through the beneficial mutations they create.