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出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2010/11/25 11:52 UTC 版)
Selfish DNA refers to those sequences of DNA which, in their purest form, have two distinct properties: (1) the DNA sequence spreads by forming additional copies of itself within the genome; and (2) it makes no specific contribution to the reproductive success of its host organism. This idea was sketched briefly by Richard Dawkins in his 1976 book The Selfish Gene and was explicitly exposed in two 1980 articles in Nature magazine. According to one of these articles: