please help asap!!! Alternation of generations The paragraph below details the alternation of generations in the plant life cycle. Fill in the blanks! The alternation of generations alternates between the diploid ind the haploid A single celled divides by mitosis and develops into a (unicellular or multicellular) gametophyte. The gametophyte produces (egg and sperm) via the process of The sperm fertilizes the egg and which results in a zygote. The zygote divides by the process of [mitosis] and develops into a sporophyte. The sporophyte will then produce 1n spores via.