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Dikaryon formation is the characteristic feature of

A. ascomycetes and basidiomycetes.

B. phycomycetes and basidiomycetes.

C. ascomycetes and phycomycetes.

D. phycomycetes and zygomycetes.

Correct Answer : A.


In fungi (ascomycetes and basidiomycetes), kayrogamy is delayed and occurs just before meiosis. In the stage intervening between plasmogamy and karyogamy the cells often contain two nuclei or dikaryons (n + n). Such cells are called dikaryotic cells. The phase is known as dikaryophase.

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