Prophase, prometaphase, metaphase, anaphase, telophase

Now that you have identified the correct order and stages you are provided with slides from the onion root tip for observation.

You put the slide on the stage and follow the process you learned in the microscopy virtual lab.

Looking into the microscope you view the onion root tip but you are unable to identify the stages of mitosis.

What is the most likely reason you are unable to identify the stages of mitosis in the onion root tip slide?