Answer:the same cell would have eight visible chromosomes, with each chromosome consisting of two identical sister chromatids joined at the centromere
Step-by-step explanation:
During interphase, a cell's chromosomes are replicated, and the resulting sister chromatids remain attached at the centromere. Therefore, a cell that has just started interphase with four chromosomes would have eight sister chromatids.
In metaphase, the cell prepares for cell division by aligning its chromosomes at the equator of the cell. At this stage, the cell has entered mitosis, and the sister chromatids become visible under a microscope.
Therefore, in metaphase, the same cell would have eight visible chromosomes, with each chromosome consisting of two identical sister chromatids joined at the centromere. These chromosomes would be aligned in the middle of the cell, with their centromeres attached to the spindle fibers from opposite poles of the cell.