Life cycle of spirogyra and polysiphonia respectively are? a) Haplontic , Diplontic b) Diplontic, Haplo-diplontic c) Haplontic, Haplo-diplontic d) Haplo-diplontic , Haplontic
Option C) A life cycle characterized by a haploid thallus, and zygotic meiosis is called haplontic life cycle it is also called as haplobiontic because onl a single type of free living individual is involved in the life cycle. Spirogyra shows haplontic life cycle and therefore, it also shows zygotic nucleus