Which statement is not true of the basidiomycetes? (a) they...

Which statement is not true of the basidiomycetes? (a) they have a diploid thallus that produces zoospores (b) their sexual spores are called basidiospores (c) they produce a secondary mycelium with $n+n$ hyphae (d) mushrooms and bracket fungi are examples of this group (e) this group includes both edible and poisonous species

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Key Concepts

Basidiomycetes

Basidiomycetes are a major group of fungi characterized by the production of sexual spores on specialized cells called basidia. They typically have a dominant dikaryotic phase, meaning that the cells contain two genetically distinct nuclei, which is crucial for their reproductive cycle and development of complex structures like mushrooms and bracket fungi.

Basidiospores

Basidiospores are the sexual spores produced by basidiomycetes on the surface of basidia. These spores are responsible for dispersal and germination into new haploid mycelia, playing a key role in the life cycle and propagation of these fungi.

Dikaryotic Mycelium

In basidiomycetes, after plasmogamy, the resulting mycelium often exists in a dikaryotic state (n+n), where two genetically distinct nuclei coexist in each cell. This stage is the predominant form of the mycelium in these fungi and precedes karyogamy and subsequent sporulation.

Zoospores

Zoospores are motile, flagellated spores typically produced by some aquatic fungi and certain groups of lower fungi. They are not characteristic of basidiomycetes, which generally do not produce zoospores, making the association of a diploid thallus that produces zoospores inaccurate for this group.

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