OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A mutation that changes a thymine nucleotide to a guanine nucleotide is what type of mutation?
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frameshift mutation
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point mutation
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reading frame mutation
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all of these are correct
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Explanation:
Detailed explanation-1: -Base substitutions are the simplest type of gene-level mutation, and they involve the swapping of one nucleotide for another during DNA replication. For example, during replication, a thymine nucleotide might be inserted in place of a guanine nucleotide.
Detailed explanation-2: -Substitution, as related to genomics, is a type of mutation in which one nucleotide is replaced by a different nucleotide. The term can also refer to the replacement of one amino acid in a protein with a different amino acid.
Detailed explanation-3: -These groupings are divided into silent mutations, missense mutations, and nonsense mutations.
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