Refer to the article Synthetic Polynucleotides and the Amino Acid Code JOSEPHF. SPEYER, PETER LENGYEL,CARLOSBASILIO," ALBERT J. WAHBA, ROBERT S. GARDNERAND SEVERO OCHOA Department of Biochemistry, New York University School of Medicine, New York. The abundance of each amino acid is varied depending on whether the ratio was 5:1 or 1:5. Determine How many possible triplet codons are there that consist of A and C? Show your work.
a) 6
b) 9
c) 12
d) 15