How many and what type' of male gametes are produced by the male gametophyte of Capsella

Options

A. One,. multi cilliated
B. Two, biciliated
C. Two, multi ciliated
D. Two, non motile

Answer

To answer the question about how many and what type of male gametes are produced by the male gametophyte of Capsella, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Male Gametophyte**:
- The male gametophyte of Capsella is formed from microspores, which are produced in the anthers of the flower.

2. **Formation of Microspores**:
- The process begins with the Microspore Mother Cell, which is diploid (2n). This cell undergoes meiosis, a reduction division, resulting in the formation of four haploid (n) microspores.

3. **Microspore Tetrad**:
- After meiosis, the four microspores may remain attached, forming a microspore tetrad. Each microspore will eventually develop into a male gametophyte.

4. **Development of Male Gametophyte**:
- Each microspore undergoes mitosis. This mitotic division is asymmetric, producing a larger vegetative cell and a smaller generative cell.

5. **Further Mitosis in Generative Cell**:
- The generative cell undergoes another mitotic division, resulting in the formation of two male gametes.

6. **Final Structure**:
- Therefore, the final structure of the male gametophyte consists of one vegetative cell and two male gametes.

7. **Conclusion**:
- In summary, the male gametophyte of Capsella produces **two male gametes**, and both of these gametes are **normotile** (capable of movement).

### Final Answer:
The male gametophyte of Capsella produces **two male gametes**, and they are **normotile**.

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