Harmful mutations are always eliminated from the genome in one or a few generations, because they decrease the survival and reproduction rates of the individuals that carry them.

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Harmful mutations can persist in a population for multiple generations, especially if they are recessive or have a minor effect on survival and reproduction. Additionally, harmful mutations can sometimes provide a selective advantage in certain environments or circumstances. Therefore, harmful mutations are not always eliminated from the genome quickly.

Harmful Mutations Are Always Eliminated from the Genome in One