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Sewall Wright effect is ______

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Question

Sewall Wright effect is ______ 

Options

  • Transfer of genes between populations

  • Exchange of genetic material between communities

  • Changes in the chemical makeup of a gene

  • Any alteration in allele frequency of a natural population by pure chance

MCQ
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Solution

Sewall Wright effect is Any alteration in allele frequency of a natural population by pure chance.

Explanation:

Cumulative changes in gene frequencies arise from random, birth, death, segregation are purely by chance.

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Modern Synthetic Theory of Evolution
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