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The GeneEd website is scheduled to be retired on March 31, 2019. Selected GeneEd content will be transferred to Genetics Home Reference, another online resource from the National Library of Medicine.

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Mitosis is a cellular process that replicates chromosomes and produces two identical nuclei in preparation for cell division. Generally, mitosis is immediately followed by the equal division of the cell nuclei and other cell contents into two daughter cells.

Images and animations are courtesy of the National Human Genome Research Institute's Talking Glossary (

Materials for Mitosis


All Cells Arise From Pre-Existing Cells

Description: An animation of mitosis with a brief history on Walther Flemming

How Cells Divide - Mitosis vs. Meiosis

Description: Information and an animation on mitosis and meiosis

Mitosis and Cytokinesis

Description: An animation and practice problems on mitosis and cytokinesis



Description: Information on mitosis with illustration

Mitosis Versus Meiosis

Description: Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells. Below we highlight the keys differences and similarities between the two types of cell division.

Spotlighting the Ballet of Mitosis

Description: An article on a prize winning image of mitosis obtained through high- and super-resolution microscopy

What is a Telomere?

Description: Telomeres are distinctive structures found at the ends of our chromosomes. They consist of the same short DNA sequence repeated over and over again.

What is Mitosis?

Description: Mitosis is a process where a single cell divides into two identical daughter cells (cell division).



Description: Play this game to learn about the different steps in mitosis and cell division. You will learn more about the order of cell division while playing a Tetris style game where you lead cells through the stages of mitosis.

Interactive Tutorials

All Cells Arise From Pre-Existing Cells

Description: An interactive Web site exploring basic concepts of cell division (mitosis) through historical discovery

Biology - Molecular and Cellular Biology

Description: Videos and practice problems teaching core concepts of cell biology, including cell growth and division


Description: Information, interactive practice exercises, and a quiz on mitosis

Labs & Experiments

Investigating Mitosis in Allium Root Tip Squash

Description: A laboratory experiment to demonstrate mitosis in plant cells

Mitosis and Meiosis - Pearson - The Biology Place

Description: In this virtual laboratory, you will study the process of mitosis in cells using slides of onion root tips or whitefish blastulae. You will also review the process of meiosis in a simulation activity with beads, and then investigate crossing over during meiosis in a fungus.

Teacher Resources

Genes in Motion - Mitosis Lesson Guide (PDF 331.37 KB, Lesson Plans/Lesson Activities)

Description: This collaborative program was developed by a diverse group of experts including the Liz Lerman Dance Exchange to teach genetics through movement, spoken word, and creative applications of technology. Topics covered in this program include mitosis, bioinformatics, induced mutation, and natural mutation. These topics support materials currently taught in a high school biology classrooms.

Mitosis (Lesson Plans/Lesson Activities)

Description: In this lesson students learn about mitosis using the Mitosis app. They make physical representations of mitosis on a poster board, and write and preform a skit to show the process of mitosis.

Mitosis - The Dance of the Chromosomes (PDF 304.58 KB, Lesson Plans/Lesson Activities)

Description: A PowerPoint presentation on mitosis


Cell Division

Description: Videos on meiosis, mitosis, and cell division

The Cell: An Image Library

Description: A searchable library of images, videos, and animations of cells