A) missense
B) nonsense
C) substitution
D) frameshift.
Correct Answer: D
Solution :
: Frame shift mutations result from deletion or insertion of nucleotides in DNA that generates altered mRNAs. The deletion or addition of a single nucleotide in a coding strand of a gene results in an altered reading frame in the mRNA. The machinery translating the mRNA does not recognize that a base is added or missing, because there is no punctuation in the reading of codons. Thus a major alteration in the sequence of polymerized amino acids results.
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