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What do many scientists do when they see something that doesnt fit the Darwinian Paradigm?

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What do many scientists do when they see something that doesnt fit the Darwinian Paradigm?

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If molecular biologists see a pattern of apparently neutral mutations, which have no apparent effect on an organism’s fitness, they must find a way to reconcile their findings with the paradigm’s requirement that natural selection guides evolution. This they can do by postulating a sufficient quantity of invisible adaptive mutations, which are deemed to be accumulated by natural selection. Similarly, if paleontologists see new fossil species appearing suddenly in the fossil record, and remaining basically unchanged thereafter, they must perform whatever contortions are necessary to force this recalcitrant evidence into a model of incremental change through the accumulation of micromutations.

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