Answer:-
According to scientific research, mutations are alterations in the genetic material of an organism. These changes can occur spontaneously or be induced by external factors like radiation or chemicals. The best statement describing mutations is that they are random and can lead to genetic variation within populations, driving evolution. Mutations can be beneficial, harmful, or neutral, depending on their effects on an organism's traits and survival. They are fundamental to biological diversity and the adaptive processes of living organisms.
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