Does gene duplication provide the engine for evolution?

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Check out Dr. Jerry Bergmans’s article Does gene duplication provide the engine for evolution?: He concludes his article this way: “It also is clear that the evidence for gene duplication at present is totally inferential, and not empirical or experimental. Chromosome duplication can produce useable variety???but only within what are most likely created kinds???in plants and invertebrates, and single gene duplication appears to do likewise in rare cases in vertebrates, but otherwise gene duplication generally causes disease and deformity. The existing experimental evidence does not support gene duplication as a source of new genes for at least populations of fewer than one billion.30 According to Hughes, ???Everything we???ve looked at [fails to] support the hypothesis.???39 Darwinists promote gene duplication as an important means of evolution, not because of the evidence, but because they see no other viable mechanism to produce the required large number of new functional genes to turn a microbe into a microbiologist. In other words, evolution by gene-duplication is yet another example of just-so story-telling.”

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