Definition: A sequence of three nucleotides along a DNA or RNA chain encoding a single amino acid, and start or stop. Related Vocabulary: Amino acidsDeoxyribonucleic acid (DNA)NucleotidesRibonucleic acid (RNA)Symposia: Ancient DNA and Human EvolutionCellular and Molecular Explorations of AnthropogenyImplications of Anthropogeny for Medicine and HealthThe Idea Organ