When a particle chromosome is present in three copies,the cell is a……………

Explanation

To answer the question "When a particle chromosome is present in three copies, the cell is a…", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Chromosome Copies**:
- A normal human cell has two copies of each chromosome, one inherited from each parent. This condition is called diploidy.

2. **Identifying the Condition of Three Copies**:
...