Answer:
C) Sequence of nitrogen bases in the DNA
Explanation:
The mutation causes changes in the DNA sequence i.e change in the sequence of nucleotide bases. Triplet nucleotide bases (codon) codes for one amino acid. Since mutation causes a change in sequence in nucleotide bases, this will directly have an impact on codon composition and therefore this changed codon will code for a different amino acid. Changes in the amino acid sequence may or may not produce a functional protein.
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