With respect to fungal sexual cycle, choose the correct sequence of events :

Options

A. Karyogamy, plasmogamy and meiosis
B. Meiosis, karyogamy and plasmogamy
C. Meiosis, plasmogamy and karyogamy
D. Plasmogamy, karyogamy and meiosis

Explanation

To determine the correct sequence of events in the fungal sexual cycle, we need to understand the three main stages involved: plasmogamy, karyogamy, and meiosis. Here’s the step-by-step breakdown:

### Step 1: Understand Plasmogamy
- **Definition**: Plasmogamy is the first step in the fungal sexual cycle where the cytoplasm of two gametes fuses together.
- **Event**: This fusion results in a cell that contains two distinct nuclei (a dikaryotic cell).

### Step 2: Understand Karyogamy
- **Definition**: Karyogamy is the second step where the nuclei of the fused gametes combine.
- **Event**: This fusion creates a diploid zygote, which is a single cell with paired chromosomes.

### Step 3: Understand Meiosis
- **Definition**: Meiosis is the final step in the sexual cycle where the diploid zygote undergoes division to produce haploid spores.
- **Event**: This results in the formation of spores that can germinate and grow into new fungal organisms.

### Correct Sequence of Events
Based on the understanding of these stages, the correct sequence of events in the fungal sexual cycle is:
1. **Plasmogamy**
2. **Karyogamy**
3. **Meiosis**

Thus, the correct answer is **Plasmogamy, Karyogamy, and Meiosis**.

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