Four different RNA bases (A,C,G and U) read three at a time. how many distinct combinations can a triplet of four base form?

rna-bases
triplet-four-base

#1

four different RNA bases (A,C,G and U) read three at a time. how many distinct combinations can a triplet of four base form?

Answer:

444=64 combinations can be made. Out of which 3 of the combination serve as start and stop codons.