THE MOLECULAR BASIS OF INHERITANCE
GENE MUTATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A point substitution can result in all of the following except ____
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Missense mutation
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Frameshift Mutation
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Silent Mutation
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Nonsense mutation
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Explanation:
Detailed explanation-1: -They can arise from extremely simple mutations such as the addition or removal of a single nucleotide. Frameshift mutations do not include substitutions where a nucleotide replaces another. In substitution mutations, the polypeptide only changes by a single amino acid.
Detailed explanation-2: -So the correct answer is ‘Either an insertion or a deletion of a base’.
Detailed explanation-3: -A frameshift mutation is an insertion or deletion of a nucleotide base that changes the reading frame. A point mutation does not change the frame and only changes one amino acids.
There is 1 question to complete.