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The Extended Phenotype
''The Extended Phenotype'' is a 1982 book by Richard Dawkins in which he introduced a biological concept of the same name. The main idea is that phenotype should not be ''limited'' to biological processes such as protein biosynthesis or tissue growth, but ''extended'' to include all effects that a gene has on its environment, inside or outside of the body of the individual organism.
Dawkins considers ''The Extended Phenotype'' to be a sequel to ''The Selfish Gene'' aimed at professional biologists,〔Richard Dawkins, ''An Appetite for Wonder: The Making of a Scientist'', Black Swan, 2013, page 291.〕 and as his principal contribution to evolutionary theory.
== Genes synthesize only proteins ==
In the main portion of the book, Dawkins argues that the only thing that genes control directly is the synthesis of proteins. He points to the arbitrariness of restricting the idea of the phenotype to apply only to the phenotypic expression of an organism's genes in its own body. Dawkins develops this idea by pointing to the effect that a gene may have on an organism's environment through that organism's behaviour.
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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