Multiple Choice
In the context of fungi, what does it mean to say that a hypha is dikaryotic?
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29. Fungi
Fungi
Multiple Choice
In dikaryotic fungi, how do the two nuclei exhibit genetic properties similar to diploids?
A
The two nuclei undergo mitosis together, maintaining genetic diversity.
B
The two nuclei coexist and can exchange genetic material, simulating diploid behavior.
C
The two nuclei remain completely independent, with no interaction.
D
The two nuclei fuse to form a diploid zygote immediately after plasmogamy.
Verified step by step guidance1
Understand the concept of dikaryotic fungi: In these fungi, two nuclei coexist within a single cell after plasmogamy, which is the fusion of cytoplasm from two parent mycelia.
Recognize the genetic behavior: Although the nuclei remain separate, they can exhibit genetic properties similar to diploids by potentially exchanging genetic material.
Consider the process of mitosis: The two nuclei undergo mitosis together, which helps maintain genetic diversity within the fungal cell.
Explore the potential for genetic exchange: The coexistence of two nuclei allows for interactions that can simulate diploid behavior, such as genetic recombination.
Clarify the incorrect options: The nuclei do not fuse immediately after plasmogamy to form a diploid zygote, nor do they remain completely independent without interaction.
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