The zygospore in Rhizopus develops into

Options

A. Gametangium
B. Promycelium
C. Progametangium
D. Zygoporangium

Answer

To answer the question, "The zygospore in Rhizopus develops into," we need to follow these steps:

### Step-by-Step Solution:

1. **Understanding Zygospore Formation**:
- The zygospore is formed when the male and female gametangia (gametogonia) of Rhizopus fuse together. This fusion leads to the creation of a zygote.

2. **Zygospore Characteristics**:
- The zygospore is a thick-walled resting spore that can withstand unfavorable conditions. It is important for the survival and propagation of the fungus.

3. **Development of Zygospore**:
- After the zygospore is formed, it undergoes a developmental process. The outer wall of the zygospore develops into a structure known as the promycelium.

4. **Meiosis in Promycelium**:
- Within the promycelium, meiosis occurs. This is a crucial step where the diploid zygospore undergoes meiosis to produce haploid spores.

5. **Formation of Haploid Spores**:
- The meiosis process results in the formation of four haploid spores from the promycelium. These spores are essential for the next generation of Rhizopus.

6. **Conclusion**:
- Based on the above steps, we conclude that the zygospore in Rhizopus develops into a promycelium.

### Final Answer:
The zygospore in Rhizopus develops into **promycelium**.

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