TY - JOUR AU - Jean Weissenbach TI - Comments on the origin of the genetic code: a 27-codon hypothetical precursor of an intricate 64-codon intermediate shaped the modern code JO - Comptes Rendus. Biologies PY - 2020 SP - 7 EP - 9 VL - 343 IS - 4 PB - Académie des sciences, Paris DO - 10.5802/crbiol.46 LA - en ID - CRBIOL_2020__343_4_7_0 ER -