Assume that there are 63 dissimilar naturally occurring amino acids. If all 64 probable combinations of bases for the codon resulted in coding for 63 dissimilar amino acids and one stop codon, which of the following mutations would not be possible?
A) Nonsense mutations,
B) Silent mutations,
C) Missense mutations,
D) Frame-shift mutations,
E) All of such types of mutations would still be probable.