describe modern synthetic theory evolution?
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Alleles. By definition, evolution is the change in the frequency of alleles in a population of organisms over time.
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Modern Synthetic Theory of Evolution!
The modern synthetic theory of evolution is the result of the work of a number of scientists namely T. Dobzhansky, R.A. Fisher, J.B.S. Haldane, Swall Wright, Ernst Mayr, and G.L. Stebbins. Stebbins in his book, Process of Organic Evolution, discussed the synthetic theory.
It includes the following factors (1) Gene mutations (2) Variation (Recombination) (3) Heredity, (4) Natural selection and (5) Isolation.
In addition, three accessory factors affect the working of these five basic factors; Migration of individuals from one population to another as well as hybridization between races or closely related species both increase the amount of genetic variability available to a population. The effects of chance acting on small populations may alter the way in which natural selection guides the course of evolution (Stebbins, 1971).
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Modern Synthetic Theory of Evolution!
The modern synthetic theory of evolution is the result of the work of a number of scientists namely T. Dobzhansky, R.A. Fisher, J.B.S. Haldane, Swall Wright, Ernst Mayr, and G.L. Stebbins. Stebbins in his book, Process of Organic Evolution, discussed the synthetic theory.
It includes the following factors (1) Gene mutations (2) Variation (Recombination) (3) Heredity, (4) Natural selection and (5) Isolation.
In addition, three accessory factors affect the working of these five basic factors; Migration of individuals from one population to another as well as hybridization between races or closely related species both increase the amount of genetic variability available to a population. The effects of chance acting on small populations may alter the way in which natural selection guides the course of evolution (Stebbins, 1971).
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