A mutation that changes a normal codon to a stop codon is called a
A)Point mutation
B)Silent mutation
C)Back mutation
D)Missense mutation
E)Nonsense mutation

Question

Quizplus · Accepted Answer

A nonsense mutation is a type of point mutation that changes a normal codon to a stop codon, prematurely ending the synthesis of a protein. This can have significant effects on the function of the protein and may lead to a genetic disorder if it occurs in a critical gene. Therefore, option E is the best choice.

A Mutation That Changes a Normal Codon to a Stop