MG-MG Practice Test

1Single Choice

Which of the following best describes the consequence of a nonsense mutation in the coding region of a gene?

A.A silent substitution that does not alter the protein sequence
B.A missense change that replaces one amino acid with another
C.A premature stop codon that typically leads to a truncated and often nonfunctional protein
D.An insertion of a single nucleotide that does not change the reading frame
E.A duplication of a chromosomal segment containing the gene

Reveal the answer to continue