Point mutation may occur due to

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(D) point mutation is a type of mutation that causes a single nucleotide base change,insertion,or deletion of the genetic material,$DNA$ or $RNA$.Spec

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Change in a single base pair of $DNA$

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(D) point mutation is a type of mutation that causes a single nucleotide base change,insertion,or deletion of the genetic material,$DNA$ or $RNA$.Specifically,it refers to a change in a single base pair of $DNA$.This can lead to a substitution,where one base is replaced by another,potentially altering the amino acid sequence of the resulting protein.Therefore,the most precise definition among the options provided is a change in a single base pair of $DNA$.

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