An example of a codon is the sequence AUG, which specifies the amino acid methionine. The AUG codon, in addition to coding for methionine, is found at the beginning of every messenger RNA (mRNA) and indicates the start of a protein.

What is a codon and where is it located *?

Codons are found in mRNA (messenger RNA) and anticodons are found in tRNA (transfer RNA.) … They are coded by genetic code, which is a system of matching codons that each represent a different amino acid.

What is a codon in genetics?

Listen to pronunciation. (KOH-don) In DNA or RNA, a sequence of 3 consecutive nucleotides that codes for a specific amino acid or signals the termination of gene translation (stop or termination codon).