Question

part v - application
a scientist observes a cell under a microscope. the chromosomes are lined up in the center of the cell, and spindle fibers are attached to them.

• a) what phase of mitosis is the cell in?

• b) what will happen next?

Explanation:

In mitosis, when chromosomes line - up in the center of the cell with spindle fibers attached, it's metaphase. After metaphase, anaphase occurs where sister chromatids are pulled apart to opposite poles of the cell.

Answer:

a) Metaphase
b) Sister chromatids will be pulled apart to opposite poles of the cell (anaphase will occur).