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What is the role of reproductive isolation in the formation of a new species?

Answer and explanation

Correct answer: It stops gene flow between groups

The governing concept is speciation through reproductive isolation. If separated groups no longer interbreed successfully, gene flow between them is reduced or stopped. Mutations, natural selection, and genetic drift can then cause the groups to accumulate different inherited characteristics. Over many generations, the divergence may become large enough for them to function as separate species. Thus, option A is correct; isolation does not instantly remove variation or end sex determination.

Related tags

SpeciationReproductive-IsolationGene-FlowEvolutionHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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