Transcription of Limits to natural selection - UFSCar
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Limits to natural selection - UFSCar
Limits to natural selectionNick Barton1* and Linda Partridge2 SummaryWe review the various factors that limit adaptation bynatural selection . Recent discussion of constraints onselection and, conversely, of the factors that enhance``evolvability'', have concentrated on the kinds of varia-tion that can be produced. Here, we emphasise thatadaptation depends on how the various evolutionaryprocesses shape variation in populations. We survey thelimits that population genetics places on adaptive evolu-tion, and discuss the relationship between :1075 1084, John Wiley & Sons, selection follows inevitably from inherited variationin the ability to reproduce. The systematic accumulation ofchance variations is the only process that can lead to biologicaladaptations, and has produced impressive results: organismsthat can live in extreme environments and on diverse energysources,(1)finely honed organs such as the ribosome, the eyeor the human brain, and developmental programs that canreliably construct such
Limits to natural selection Nick Barton1* and Linda Partridge2 Summary We review the various factors that limit adaptation by natural selection. Recent discussion of constraints on
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