The genetic code is redundant, which means that?

Question

The genetic code is redundant, which means that

A. every organism reinvented it, instead of passing it on from a common ancestor.

B. some codons code for more than one amino acid.

C. most amino acids are coded for by more than one codon.

D. it is different in every organism.

E. the majority of the codons do not code for an amino acid, but for a "stop."

Answer 1

C.   Usually the redundancy comes in the last nucleotide.  (The first two nucleotides of the codon are the same and the last one differs between the codons that code for one specific amino acid.)