Figure 1: Plant phylogeny and sequence conservation of ethylene pathway genes in representative species. Figure 2: Ethylene biosynthesis and response in Spirogyra. Figure 3: Spirogyra homologues ...

THE following properties of the chromosomes of Spirogyra have been demonstrated to the Genetical Society in recent years and an account of ... Geitler, L., Arch. Protist., 71, 79 (1930). Google ...