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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Creation & Evolution
How many mutations to get Y from X?
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<blockquote data-quote="FrumiousBandersnatch" data-source="post: 76299443" data-attributes="member: 241055"><p>IOC - I think there may a semantic confusion here. A particular variation (e.g. mutation) is adaptive or otherwise in the light of the advantage or otherwise that it provides under selection. IOW, it is selection that determines what is adaptive. Selection pressures vary over time, so variations can only be judged adaptive as a result of selection - they may become adaptive after a period of relative neutrality as the environment changes, or they may stop being adaptive.</p></blockquote><p></p>
[QUOTE="FrumiousBandersnatch, post: 76299443, member: 241055"] IOC - I think there may a semantic confusion here. A particular variation (e.g. mutation) is adaptive or otherwise in the light of the advantage or otherwise that it provides under selection. IOW, it is selection that determines what is adaptive. Selection pressures vary over time, so variations can only be judged adaptive as a result of selection - they may become adaptive after a period of relative neutrality as the environment changes, or they may stop being adaptive. [/QUOTE]
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Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Creation & Evolution
How many mutations to get Y from X?
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