1 male gamete fuse with egg cell nucleus and formed_______

Answer

To answer the question, "1 male gamete fuse with egg cell nucleus and formed_______," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Gametes**: Recognize that in flowering plants, male gametes are produced in the pollen grains and are responsible for fertilization.

2. **Structure of the Embryo Sac**: Visualize the embryo sac, which contains the egg cell and other important structures. The egg cell is located at the micropilar end of the embryo sac.

3. **Fertilization Process**: During fertilization, one male gamete fuses with the egg cell nucleus. This is a crucial step in sexual reproduction.

4. **Formation of Zygote**: The fusion of the male gamete with the egg cell nucleus results in the formation of a zygote. The zygote is the initial cell formed when a new organism is created through fertilization.

5. **Conclusion**: Therefore, when one male gamete fuses with the egg cell nucleus, it forms a zygote.

### Final Answer:
1 male gamete fuses with egg cell nucleus and forms **zygote**.

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