Question

Which statement best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make proteins of living organisms on Earth?
A. Several codons code for the same amino acid.
B. Each codon can code for several amino acids.
C. Many other amino acids are made but do not form proteins.
D. Stop codons make up many of the remaining base sequences.

Answer 1

answer must be
A) Several codons code for same amino acid.