During dna replication, two extra guanine bases are added to the dna. what type of mutation is this? a. silent mutation b. nondisjunction mutation c. frameshift mutation d. point mutation

(c). frameshift mutation.

Explanation:

Mutations are permanent changes in the DNA due to changes in nucleotide sequences. Mutations that cause addition of extra nucleotides in a nucleotide sequences are known as frameshift mutations.

This is because they lead to change in open-reading frames or translational reading frames and change the entire amino acid sequence coded by rest of the gene.

Thus, the correct answer is option (c).

explanation:

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