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Chapter 12, Problem 3TMW
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To tell:

Fungal dikaryon with its two haploid (n) nuclei is not considered as the diploid.

Introduction:

Zygomycetes are the multinucleate molds which are obligate parasites for other fungi and insects. They reproduce asexually and producing sporangiospores and asexually by zygosporangia. During sexual reproduction of zygomycetes, we can see a dikaryon stage where dikaryon cell formation takes place.

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If the spores of a fungus are haploid and divide to form the hyphae by mitosis, then what are the cells of the hyphae (haploid, diploid, tripled) ?
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Distinguish among fungi that are haploid, dikaryotic, or diploid by completing the following statements, referring to the figure as necessary. n+n sexual n diploid contains paired haploid nuclei dikaryotic 2n A haploid asexual Saved B Fungi reproduce both sexually and asexually. In terrestrial fungi, reproduction occurs in three stages. One stage, depicted in part A of the figure above, is termed point each cell is First, days, months, or years, the Another stage, depicted in part B of the figure above, is termed stage takes its name from the term for a hypha that each cell is C at which 20 hyphae pair up. Sometimes immediately, other times after hyphae make contact and fuse... This at which point Upon fusion, the hyphae are at the stage represented by part C of the figure above, stage, at which point each cell is termed the Reset *

Chapter 12 Solutions

Microbiology with Diseases by Body System & Modified MasteringMicrobiology with Pearson eText -- ValuePack Access Card -- for Microbiology with Diseases by Body System Package

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