Biology Quote by Lee Spetner

““To understand Darwin's work, you have to distinguish between his theory of descent and his theory of natural selection. THe full name of the first is the theory of descent with modification. Some call it the fact of evolution, and some call it the doctrine of evolution.””

Lee Spetner

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Biology Darwin Evolution Intelligent design Natural selection Neo-darwinism Random-mutation

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“There is another kind of variation that does not involve the genome at all, and is therefore not heritable. Yet it can produce what…

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“The bradys must hold that, on the average, cumulative selection has to add a little information to the genome at each step. But of…

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“Life is so diversified that to any statement I could make about living organisms there are exceptions. Because of the many exceptions, I should…

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“Verbal arguments should always be suspect.”

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“Information and complexity go hand in hand.”

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“There are many examples where species share common plastic traits. What appears to be convergence may just be the plastic response of the organism…

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“A mutation that reverses the effect of a previous one (called a back mutation) could at one stroke revive a complex function that had…

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“Only a minority of biologists today hold that the variation of evolution cannot be random. In this point the minority are on more solid…

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“Rather than say that the bacterium gained resistance to the antibiotic, we would be more correct to say that it lost its sensitivity to…

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“Common sense says that the amazing complexity of life cannot arise out of a random process. The neo-Darwinians use clever arguments to show why…

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“Neo-Darwinians do cite some examples of evolution they claim the NDT explains. Natural selection can indeed account for the replacement of light-colored moths with…

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“Dawkins talked about chance, but he didn’t calculate the chance of anything. Nor did he cite anyone who did. He just assumed that cumulative…

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Explore all 16 Lee Spetner quotes

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