Chapter 17: From Gene to Protein Concepts 17.5 ? 6 are not required knowledge from the AP Exam and are intentionally omitted. Overview: The Flow of Genetic Information the information content of DNA is in the form of specific sequences of nucleotides along the DNA strands the DNA inherited by an organism leads to specific traits by dictating the synthesis of proteins the process by which DNA directs protein synthesis, gene expression, includes two stages: transcription and translation the ribosome is part of the cellular machinery for translation, polypeptide synthesis Concept 17.1: Genes specify proteins via transcription and translation Evidence from the Metabolic Defects