The central axiom of evolution is that natural selection acts upon mutations to provide the genetic mechanism for common descent.
John Sanford-retired geneticist-Cornell University says-
"Mutations are word-processing errors in the cell’s instruction manual. Mutations systematically destroy genetic information—even as word processing errors destroy written information. While there are some rare beneficial mutations (even as there are rare beneficial misspellings), bad mutations outnumber them—perhaps by a million to one. So even allowing for beneficial mutations, the net effect of mutation is overwhelmingly deleterious. The more the mutations, the less the information. This is fundamental to the mutation process.’
John Sanford-retired geneticist-Cornell University says-
"Mutations are word-processing errors in the cell’s instruction manual. Mutations systematically destroy genetic information—even as word processing errors destroy written information. While there are some rare beneficial mutations (even as there are rare beneficial misspellings), bad mutations outnumber them—perhaps by a million to one. So even allowing for beneficial mutations, the net effect of mutation is overwhelmingly deleterious. The more the mutations, the less the information. This is fundamental to the mutation process.’
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Because everyone tries to defend their world view.
Natural selection helps to remove harmful errors and preserve beneficial ones. However because the harmful mutations vastly outweigh the beneficial ones the net effect is downwards. For the few beneficial mutations the selection coefficient is generally so low, and the cost of substitution so high, that the time for them to become fixed in the population is incredibly long. Even 6 million years is not enough to convert an ape into a man. (Haldane's Dilemma [1])
It remains easier to slip back down Mount Improbable than it is to climb it.
Natural selection helps to remove harmful errors and preserve beneficial ones. However because the harmful mutations vastly outweigh the beneficial ones the net effect is downwards. For the few beneficial mutations the selection coefficient is generally so low, and the cost of substitution so high, that the time for them to become fixed in the population is incredibly long. Even 6 million years is not enough to convert an ape into a man. (Haldane's Dilemma [1])
It remains easier to slip back down Mount Improbable than it is to climb it.
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It is all a matter of bias. Where their foundations lie, that is why I love this website > http://www.answersingenesis.org/media/video/ondemand/why-wont-they-listen/why-wont-they-listen
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Natural selection filters and keeps what works.
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For the same reason people are loyal to individuals like Hitler, Jim Jones, Barack Hussein Obama and Ron Paul. They don't want to see the flaws in their belief system.
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what's your point ?