Which of the following options generally represent the correct order of events in Agaricus sexual reproduction?

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Plasmogamy, long gap ,karyogamy, meiosis

Plasmogamy , long gap, meiosis, karyogamy

Meiosis, long gap , plasmogamy, karyogamy

Plasmogamy, karyogamy, long gap , meiosis

answer is D.

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Detailed Solution

Plasmogamy is the fusion of cytoplasm of two different mating types. In Agaricus sexual reproduction, karyogamy can be delayed, leading to the formation of a dikaryotic stage. The dikaryotic stage may last for a long time before karyogamy occurs. Delayed karyogamy is an important feature of Agaricus sexual reproduction, and it allows the fungus to maintain genetic diversity and adaptability.

Therefore, the correct sequence of events in the life cycle of Agaricus is plasmogamy, long gap, karyogamy, meiosis.

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