The process of genetic mutation is

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(B) The correct answer is $B$. Genetic mutation involves a permanent alteration in the $DNA$ sequence,such as a change in the configuration or positio

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Irreversible

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(B) The correct answer is $B$. Genetic mutation involves a permanent alteration in the $DNA$ sequence,such as a change in the configuration or position of nucleotides. Once a mutation occurs,the original genetic sequence is lost,making the process irreversible under normal biological conditions. While a 'reverse mutation' or 'back mutation' can occur to restore the original phenotype,the original mutation event itself remains an irreversible change to the genome.

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