Gil Hahn

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not explain why. Now, with Malthus’s phrase, he could make the next logical leap: that favorable variations tend to be preserved, and unfavorable variations, in the context of the struggle for existence, tend to be destroyed. Darwin’s next step was to offer natural selection as the mechanism that winnowed out the favorable from the unfavorable. He arrived there through an analogy to artificial selection, the breeding of plants and animals. In artificial selection, the intelligence of the breeder pushed the changes in a particular predetermined direction. In natural selection, however, Darwin ...more
The Monk in the Garden: The Lost and Found Genius of Gregor Mendel, the Father of Genetics
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