The Selfish Gene is a book on evolution by Richard Dawkins, published in 1976. It builds upon the principal theory of George C. Williams's first book Adaptation and Natural Selection. Dawkins coined the term "selfish gene" as a way of expressing the gene-centred view of evolution as opposed to the views focused on the organism and the group. From the gene-centred view follows that the more two individuals are genetically related, the more sense it makes for them to behave selflessly with each other. Therefore the concept is especially good at explaining many forms of altruism, regardless of... a common misuse of the term along the lines of a selfishness gene. An organism is expected to evolve to maximize its inclusive fitness—the number of copies of its genes passed on globally . As a result, populations will tend towards an evolutionarily stable strategy. The book also coins the term meme for a unit of human cultural evolution analogous to the gene, suggesting that such "selfish" replication may also model human culture, in a different sense.
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