HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following mutations results from one nucleotide being substituted for another?
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Deletion
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Frameshift
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Insertion
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Point
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Explanation:
Detailed explanation-1: -Missense: A missense variant is a type of substitution in which the nucleotide change results in the replacement of one protein building block (amino acid) with another in the protein made from the gene.
Detailed explanation-2: -Substitution mutations can be good, bad, or have no effect. They cause three specific types of point mutation: silent, missense, and nonsense mutations. A silent mutation is one where the function of the protein is not changed. A missense mutation codes for the wrong protein.
Detailed explanation-3: -Examples of (base-pair) substitutions: a purine is substituted with a different purine (A
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