According to huge de virus,the mechanism of evolution is
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According to de Vries' mutation theory, living organisms can develop changes to their genes that greatly alter the organism. These changes are passed down to the next generation, and lead to the development of new species. Once a new species has evolved, it becomes fixed and stops changing.
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Microevolution which occurs on a smallscale
refers to the changes in allele frequencies within a single population. Allele frequencies in a population may change due to four fundamental forces of evolution: Natural selection,Genetic drift, Mutuations and Genes Flow. Mutations are the ultimate source of new alleles in a gene pool.
Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift. One of the main controversial issues in population genetics is concerned with the relative importance of both mechanisms in determining evolutionary changes. Natural selection usually predomnates in large populations whereas genetic drift does so in small ones.
refers to the changes in allele frequencies within a single population. Allele frequencies in a population may change due to four fundamental forces of evolution: Natural selection,Genetic drift, Mutuations and Genes Flow. Mutations are the ultimate source of new alleles in a gene pool.
Two of the most relevant mechanisms of evolutionary change are: Natural Selection and Genetic Drift. One of the main controversial issues in population genetics is concerned with the relative importance of both mechanisms in determining evolutionary changes. Natural selection usually predomnates in large populations whereas genetic drift does so in small ones.
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