Practice question
Question
In a fungal sexual cycle, plasmogamy occurs but the nuclei do not fuse immediately. What condition is formed before karyogamy?
Explanation
In Ascomycetes and Basidiomycetes, plasmogamy may be followed by an intervening dikaryotic stage before karyogamy. Each cell then contains two haploid nuclei, represented as n + n, and the phase is called the dikaryophase.
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