Question

A DNA codon that codes for a certain protein undergoes a substitution mutation. The new codon codes for the same amino acid as the original codon. What is the most likely effect of the mutation?(1 point)
Responses

The mutated codon produces the same protein as the original codon and does not cause a disease.
The mutated codon produces the same protein as the original codon and does not cause a disease.

The mutated codon prevents the protein from forming and causes a disease.
The mutated codon prevents the protein from forming and causes a disease.

The mutated codon produces a protein with the same amino acid sequence as the original codon and causes a disease because the protein does not function properly.
The mutated codon produces a protein with the same amino acid sequence as the original codon and causes a disease because the protein does not function properly.

The mutated codon produces a different protein than the original codon and causes a disease because the protein does not function properly.

Answer 1

The mutated codon produces the same protein as the original codon and does not cause a disease.

Explanation: This is a synonymous (silent) substitution — the new codon still encodes the same amino acid, so the protein sequence (and usually function) is unchanged.