Mutation: Difference between revisions

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===Deletrious load of mutational change degrades the genome===
===Deletrious load of mutational change degrades the genome===
This is not to invalidate beneficial mutations by any means, what is merely trying to be emphasized is the role of negative mutations from a degrading genome as time goes on. Recently as of April of 2007, such a theory has been put forth that deals with this indirectly. The ''Proceedings of the National Academy of Sciences'' (PNAS) published an online paper and within it, what is concluded is that when beneficial mutations begin to accumulate, natural selection takes hold and accelerates the mutation rate since benefits to fitness are being produced. They begin to establish themselves in a population, eventually however there is, "increased deleterious load."
This is not to invalidate beneficial mutations by any means, what is merely trying to be emphasized is the role of negative mutations from a degrading genome as time goes on. Recently as of April of 2007, such findings have been clearly observed in many instances. The ''Proceedings of the National Academy of Sciences'' (PNAS) had published within it an online paper. The definate conclusion implied is that when beneficial mutations begin to accumulate, natural selection takes hold and accelerates the mutation rate. Since benefits to fitness are being produced they begin to establish themselves in a population, eventually however there is, "increased deleterious load."


The paper released titled, ''Complete genetic linkage can subvert natural selection'' states that:
The paper released titled, ''Complete genetic linkage can subvert natural selection'' states that:
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