defined:

Three bases in a DNA or RNA sequence which specify a single amino acid.

explained:

Listen to a detailed explanation. (Requires the free RealPlayer download)

Dr. Paul Meltzer, formerly of the National Human Genome Research Institute's Laboratory of Cancer Genetics, defines codon.

illustrated:

View illustration

related
terms:

amino acids, deoxyribonucleic acid (DNA), genetic code (ATGC), ribonucleic acid (RNA)

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