Home Biology Biological Classification Kingdom–Fungi In some fungi, two haploid cells result in a…
Biology Biological Classification Kingdom–Fungi Single Correct MCQ
Published on: August 14, 2026

In some fungi, two haploid cells result in a diploid cell. In some cases, dikaryon stage occurs in which two nuclei are present within a cell. This phase is known as

A
monokaryophase
B
dikaryophase
C
plasmogamy
D
none of these

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Text Solution

Verified by Experts
The correct answer is:
B

The stage in fungi where two haploid nuclei (n+n) are present within a single cell, occurring between plasmogamy (cytoplasmic fusion) and karyogamy (nuclearfusion), is known as the dikaryophase or dikaryon stage. This phenomenon is characteristic of higher fungi, specifically Ascomycetes and Basidiomycetes.

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