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What is the main difference between natural selection and genetic drift?

Answer and explanation

Correct answer: Natural selection is linked with useful traits while genetic drift can happen by chance

Natural selection changes trait frequencies because environmental conditions give some heritable traits an advantage in survival or reproduction. Genetic drift changes allele frequencies through random events, such as the accidental survival or reproduction of particular individuals, and it is especially influential in small populations. Thus option A correctly contrasts selection with chance. B is irrelevant, C is false, and D denies the environmental role in selection.

Related tags

Natural-SelectionGenetic-DriftAllele-FrequencyEvolutionHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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