Answer:
During prophase, the nucleus disappears, spindle fibers form, and DNA condenses into chromosomes ( sister chromatids ). During metaphase, the sister chromatids align along the equator of the cell by attaching their centromeres to the spindle fibers.
Explanation:
Plant cells have a cell wall that is very rigid, which forces the cell to shape that way. Animal cells are round because they don’t have a cell wall only a plasma membrane