A Single-Base Substitution Converts an a Base in the Coding

question 4

Multiple Choice

A single-base substitution converts an A base in the coding strand of a gene into a T base, thereby changing the codon AAG, which codes for lysine, into UAG.This mutation is characterized as:

• A)Indel.
• B)Missense mutation.
• C)Frameshift mutation.
• D)Silent mutation.
• E)Nonsense mutation.

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Definitions:

\(n + 7\)

An algebraic expression representing the sum of an unknown quantity \(n\) and the number 7.

\(n + 8\)

An algebraic expression representing the sum of a variable n and the number 8.

\(n !\)

\(n !\), pronounced n factorial, is the product of all positive integers less than or equal to n. For instance, \(4! = 4 \times 3 \times 2 \times 1 = 24\).