9. Zygomycete Life Cycle (a) Zygospore germinates Sporangia Spores (haploid) (b) Photo of Sporangia Hyphae of opposite mating types fuse to form zygospore. Haploid 1 n Diploid 2n
10. Zygomycete Life Cycle (b) Hyphae of opposite mating types (+ & -) fuse. NUCLEI FUSE Diploid Zygospore formed MEIOSIS Zygospore germinates Diploid 2 n Haploid 1 n
27. Basidiomycete Life Cycle Haploid 1 n Diploid 2 n Mushroom gills bear reproductive basidia. Basidia on gills Haploid Nuclei Fusion forms diploid zygote. MEIOSIS Basidiospores (haploid)
28. Basidiomycete Life Cycle Haploid 1 n Diploid 2 n Basidia on gills Basidiospores (haploid) “ +” Mating Strain “ -” Mating Strain Basidiospores germinate forming hyphae (haploid). + - Hyphae fuse, but haploid nuclei remain separate in binucleate cells Hyphae aggregate to form mushroom