■ compound light microscope

■ prepared microscope slide of a longitudinal section of Allium (onion) root tip


1. Mitosis is divided into four phases: prophase, metaphase, anaphase, and telophase.

2. Interphase is not considered a part of mitosis.

3. List the visible characteristics of each phase of mitosis.

4. In many plants, there are growth regions called meristems where mitosis is ongoing. Meristems are found in the tips of plant roots and shoots.

A ;« dF.l Identifying the Phases of Mitosis

1. Look at the photograph below of a longitudinal section of an onion root tip. Find the meristem on the photograph. As you can see, the meristem is located just behind the root cap.

Apical meristem

Root cap

2. CAUTION Slides break easily. Use caution ▼ when handling them. Using low power on your microscope, bring the meristem region on your slide into focus.

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