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The Extended Phenotype: The Long Reach of the Gene

Book by Richard Dawkins · 4 quotes · Apollom, Baby, Mridha

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The Extended Phenotype: The Long Reach of the Gene Quotes

“But there is nothing magic about Darwinian fitness in the genetic sense. There is no law giving it priority as the fundamental quantity that is maximized. Fitness is just a way of talking about the survival of replicators, in this case genetic replicators. If another kind of entity arises, which answers to the definition of an active germ-line replicator, variants of the new replicator that work for their own survival will tend to become more numerous. To be consistent, we could invent a new kind of ‘individual fitness’, which measured the success of an individual in propagating his memes.”

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Book:The Extended Phenotype: The Long Reach of the Gene
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“Returning, for clarification, to DNA as our archetypal replicator, its consequences on the world are of two important types. Firstly, it makes copies of itself, making use of the cellular apparatus of replicases, etc. Secondly, it has effects on the outside world, which influence the chances of its copies’ surviving.”

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Book:The Extended Phenotype: The Long Reach of the Gene
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