Metaphase:

In metaphase, the chromosomes are at their most condensed and visible under a microscope. This is because they have already replicated during interphase and have now lined up along the center of the cell in preparation for division.

Chromosomes in Metaphase:
- In metaphase, the chromosomes are shortest and thickest as they are fully condensed and easily distinguishable.
- The centromeres of the chromosomes are aligned at the metaphase plate, which is the center of the cell.

Role of Metaphase:
- Metaphase is a crucial stage of cell division where the chromosomes are properly aligned to ensure that each daughter cell receives the correct number of chromosomes.

Significance of Chromosome Length and Thickness in Metaphase:
- The condensed chromosomes in metaphase allow for easier separation and distribution of genetic material to the daughter cells during cell division.
- The short and thick chromosomes in metaphase ensure that the genetic material is organized and ready to be evenly distributed to maintain genetic stability.

In conclusion, metaphase is the stage of cell division where chromosomes are shortest and thickest, playing a critical role in ensuring accurate distribution of genetic material to daughter cells.