1.We focused on several key events during fertilization from membrane fusion to karyogamy of sperm cells and egg cells.
探讨了从精细胞和卵细胞质膜融们核融完成这一发育阶段某些主事件。
2.Plasmogamy in the absence of karyogamy (fusion of nuclei) occurs between fungal mycelia of different strains of some ascomycetes and basidiomycetes to form a heterokaryon.