Development of sporophyte without gametic fusion is known as :

Options

A. Apomixis
B. Apospory
C. Apogamy
D. Endomixis

Answer

**Step-by-Step Solution:**

1. **Understanding the Terms**:
- The term "sporophyte" refers to the diploid generation in the life cycle of plants that produces spores.
- "Gametic fusion" refers to the process where male and female gametes combine to form a zygote.

2. **Identifying the Process**:
- The question asks for the development of a sporophyte without the fusion of gametes. This indicates a type of reproduction that does not involve the typical sexual reproduction process.

3. **Exploring Asexual Reproduction**:
- In asexual reproduction, offspring are produced without the fusion of gametes. This can occur through various mechanisms, one of which is known as "apomixis".

4. **Defining Apomixis**:
- Apomixis is the process where seeds are formed asexually, meaning that the sporophyte develops without the need for fertilization or gametic fusion.

5. **Differentiating Related Terms**:
- It is important to distinguish between related terms:
- **Apogamy**: This is a specific type of apomixis where a sporophyte develops directly from a gametophyte without fertilization.
- **Apospory**: This refers to the development of a gametophyte from a sporophyte without meiosis.

6. **Conclusion**:
- Based on the definitions and processes discussed, the correct answer to the question is "Apogamy", which is the development of a sporophyte without gametic fusion.

**Final Answer**: The development of sporophyte without gametic fusion is known as **Apogamy**.

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