Ascomycetes also important in study of mitotic recombination via a parasexual cycle.

囊在研究准性生殖中也是重要的。

Hymenium (pl. hymenia) A layer of the fruiting body of certain ascomycete and basidiomycete fungi in which the asci or basidia are borne.

真根据其“果实”（实体）结构特征分为三大门类：接合类、囊类和担类。

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.

未核配（核融合）的质配发生在不同株系的囊和担丝体之间以形成异核体。