Question

Dikaryophase is seen in which of the following fungi:

• A. Ascomycetes and Basidiomycetes
• B. Phycomycetes and Ascomycetes
• C. Phycomycetes and Basidiomycetes
• D. Basidiomycetes and Deuteromycetes

Answer 1

The correct option is A Ascomycetes and Basidiomycetes

Dikaryophase is a phase seen in the life cycle of some fungi. It is an intervening phase that occurs between plasmogamy and karyogamy stage of the sexual cycle. During dikaryophase, the cells often contain two nuclei or dikaryons (n+n) after plasmogamy and are called dikaryotic cells. Ascomycetes and basidiomycetes are the two classes of fungi in which this dikaryotic stage occurs. Dikaryophase is not seen in phycomycetes and deuteromycetes classes of fungi.