What is ‘saltation’ according to de Vries? 

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Saltation, as proposed by Hugo de Vries, is a theory of evolution that suggests rapid and significant evolutionary change can occur through sudden, large-scale mutations. In this theory, de Vries proposed that new species could arise abruptly from such mutations, rather than through gradual accumulation...
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Saltation, as proposed by Hugo de Vries, is a theory of evolution that suggests rapid and significant evolutionary change can occur through sudden, large-scale mutations. In this theory, de Vries proposed that new species could arise abruptly from such mutations, rather than through gradual accumulation of small changes over time, as suggested by Charles Darwin's theory of natural selection. These sudden mutations, according to de Vries, could result in the appearance of entirely new characteristics or traits in an organism, leading to the emergence of distinct species. This concept of saltation contrasts with the gradualism proposed by Darwin, where evolutionary change occurs slowly and continuously through the accumulation of small variations over generations. read less
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