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How is genetic drift different from natural selection?

Answer and explanation

Correct answer: Genetic drift occurs by chance, while natural selection is linked with fitness

Natural selection is a non-random process in which heritable variations that improve survival or reproduction tend to become more frequent. Genetic drift, in contrast, changes trait or allele frequencies through chance events, particularly in small populations, whether or not a trait is advantageous. Therefore, option A correctly identifies the difference. The other options confuse an evolutionary mechanism with a life process or deny the role of variation.

Related tags

Genetic DriftNatural SelectionEvolutionHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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