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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 23, Problem 5SQ
Textbook Problem
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In most ______, an extensive dikaryotic mycelium is the longest-lived phase of the life cycle.

  1. a. chytrids
  2. b. zygote fungi
  3. c. sac fungi
  4. d. club fungi

Summary Introduction

Concept introduction: Club fungi are the group of fungi coming under the class Basidiomycota. They produce sexual spores inside a club-shaped structure known as basidiocarp made up of dikaryotic hyphae. Members of this group go through a prolonged period of dikaryotic phase in their life cycle.

Explanation of Solution

Reason for correct answer: Most of the members coming under the group, club fungi, follow a prolonged dikaryotic phase in their life cycle. The most conspicuous part of the club fungus is nothing other than their fruiting body meant for sexual reproduction. During the phase of sexual reproduction, the fungal body starts to produce dikaryotic mycelium from which sexual spores start to produce.

Option d. is given as “club fungi”. Only club fungi possess an extensive dikaryotic mycelium during their life cycle, option d. is the correct answer.

Reason for incorrect answer:

Option a...

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