Question

total number of useful codons​

Answer 1

Answer:

61

Explanation:

• There are 64 codons which code for 20 amino acid

• 3 of which are stop codon which does not code for any of them namely

       Ochre, Amber and Opal

Answer 2

Answer:

The three-letter nature of codons means that the four nucleotides found in mRNA — A, U, G, and C — can produce a total of 64 different combinations. Of these 64 codons, 61 represent amino acids, and the remaining three represent stop signals, which trigger the end of protein synthesis.