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- Selfish_DNA abstract "Not to be confused with the book The Selfish Gene.Selfish DNA is a term for sequences of DNA that sensu stricto have two distinct properties: the DNA sequence spreads by forming additional copies of itself within the genome; and it makes no specific contribution to the reproductive success of its host organism. (It might or might not have significant deleterious effects.)In his 1976 book The Selfish Gene Richard Dawkins suggested the idea of selfish DNA in reaction to the then fairly new revelation of the large proportion of noncoding DNA in eukaryotic genomes. In 1980, two articles in the journal Nature expanded and discussed the concept. According to one of these articles: The theory of natural selection, in its more general formulation, deals with the competition between replicating entities. It shows that, in such a competition, the more efficient replicators increase in number at the expense of their less efficient competitors. After a sufficient time, only the most efficient replicators survive. — L.E. Orgel & F.H.C. Crick, Selfish DNA: the ultimate parasite.In the purest forms of the concepts, units of genetically functional DNA might be viewed as "replicating entities" that effect their replication by manipulating the physiological activities of the cell that they control; in contrast, units of selfish DNA effect their replication by exploiting existing DNA and DNA-manipulating mechanisms in the cell, notionally without significantly affecting the fitness of the organism in other respects.Irrespective of the strict definition of selfish DNA, there is no sharp, definitive boundary between the concepts of selfish DNA and genetically functional DNA. Often it also is difficult to establish whether a unit of noncoding DNA is functionally important or not, and if important, in what way. What is more, it is not always easy to distinguish between some instances of selfish DNA and some types of viruses.".
- Selfish_DNA wikiPageID "44353".
- Selfish_DNA wikiPageRevisionID "595861259".
- Selfish_DNA hasPhotoCollection Selfish_DNA.
- Selfish_DNA subject Category:DNA.
- Selfish_DNA subject Category:Selection.
- Selfish_DNA comment "Not to be confused with the book The Selfish Gene.Selfish DNA is a term for sequences of DNA that sensu stricto have two distinct properties: the DNA sequence spreads by forming additional copies of itself within the genome; and it makes no specific contribution to the reproductive success of its host organism.".
- Selfish_DNA label "ADN egoísta".
- Selfish_DNA label "Eigennützige DNA".
- Selfish_DNA label "Samolubny DNA".
- Selfish_DNA label "Selfish DNA".
- Selfish_DNA label "自私DNA".
- Selfish_DNA sameAs Eigennützige_DNA.
- Selfish_DNA sameAs ADN_egoísta.
- Selfish_DNA sameAs Samolubny_DNA.
- Selfish_DNA sameAs m.0c2rl.
- Selfish_DNA sameAs Q2915914.
- Selfish_DNA sameAs Q2915914.
- Selfish_DNA wasDerivedFrom Selfish_DNA?oldid=595861259.
- Selfish_DNA isPrimaryTopicOf Selfish_DNA.