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Gene-centered view of evolution
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Gene-centered view of evolution : ウィキペディア英語版
Gene-centered view of evolution

The gene-centered view of evolution, gene's eye view, gene selection theory, or selfish gene theory holds that adaptive evolution occurs through the differential survival of competing genes, increasing the allele frequency of those alleles whose Phenotypic traits effects successfully promote their own propagation, with gene defined as "not just one single physical bit of DNA () all replicas of a particular bit of DNA distributed throughout the world". The proponents of this viewpoint argue that, since heritable information is passed from generation to generation almost exclusively by DNA, natural selection and evolution are best considered from the perspective of genes.
Proponents of the gene-centered viewpoint argue that it permits understanding of diverse phenomena such as altruism and intragenomic conflict that are otherwise difficult to explain.
The gene-centered view of evolution is a synthesis of the theory of evolution by natural selection, the particulate inheritance theory, and the Lamarckism (the non-transmission of acquired characters). It states that those alleles whose phenotypic effects successfully promote their own propagation will be favorably selected relative to their competitor alleles within the population. This process produces adaptations for the benefit of alleles that promote the reproductive success of the organism, or of other organisms containing the same allele (kin altruism and green-beard effects), or even its own propagation relative to the other genes within the same organism (intragenomic conflict).
==Overview==

The gene-centered view of evolution is a model for the evolution of social characteristics such as selfishness and altruism.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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