Chromosomes can be seen best during
(a) Prophase stage
(b) Metaphase
(c) Anaphase I
(d) Telophase I

Options

A. Prophase stage
B. Metaphase
C. Anaphase I
D. Telophase I

Answer

To determine when chromosomes can be seen best during the cell cycle, we need to analyze the different stages of cell division. Here’s a step-by-step solution:

### Step 1: Understand the Stages of Cell Division
Cell division occurs in several stages, particularly during mitosis, which includes prophase, metaphase, anaphase, and telophase. Each stage has distinct characteristics regarding chromosome visibility.

### Step 2: Analyze Each Option
- **(a) Prophase stage**: During prophase, chromosomes condense and become visible, but they are not yet aligned.
- **(b) Metaphase**: In metaphase, chromosomes are fully condensed and aligned at the equatorial plane (metaphase plate), making them most visible.
- **(c) Anaphase I**: In anaphase, chromosomes are pulled apart to opposite poles, but they are not as distinct as in metaphase.
- **(d) Telophase I**: During telophase, chromosomes begin to de-condense, making them less visible.

### Step 3: Identify the Best Stage for Visibility
From the analysis, it is clear that the metaphase stage is when chromosomes are most visible due to their alignment and full condensation.

### Conclusion
The correct answer is **(b) Metaphase**.

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