A frameshift mutation is a kind of mutation which is most likely to lead to a new trait in an organism. Thus, the correct option is A.
What is Mutation?
A Mutation may be defined as the sudden, stable, and inheritable alterations in the genomic sequence of an organism.
A frameshift mutation occurs when the reading frame modifies the grouping of the bases and thereafter transforms the amino acids that are encoded. Here, the encoded protein is non-functional.
A missense mutation arises when there is a blunder in the DNA code and one of the DNA base pairs is altered.
A nonsense mutation occurs when a single change in the base sequence outcomes in the exhibition of a stop codon, thereby concluding protein synthesis prematurely.
Therefore, it is well described above.
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