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(B) Mutation is the correct answer. Mutations are random changes in the $DNA$ sequence. While some mutations can be beneficial,many are neutral or har

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Mutation

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(B) Mutation is the correct answer. Mutations are random changes in the $DNA$ sequence. While some mutations can be beneficial,many are neutral or harmful. If harmful mutations accumulate in a population without being removed by natural selection,they can lead to a decrease in the overall fitness or adaptation of future generations compared to their parental generations.

What causes future generations to be less adapted than their parental generations?

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