A Single Base Substitution Mutation Is Likely to Have a Less

question 47

Multiple Choice

A single base substitution mutation is likely to have a less deleterious effect when the base change exhibits which of the following results?

• A) a stop codon
• B) a codon that specifies the same amino acid as the original codon
• C) an amino acid substitution that alters the tertiary structure of the protein
• D) an amino acid substitution at the active site of an enzyme

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