Module 5

Module 5—Cell Division: The Processes of Mitosis and Meiosis

Introduction

 

 

In living organisms, the production of new cells is essential. New cells replace damaged cells, they allow for growth, and they are the basis of an organism’s reproduction. Cells divide to form more new cells by either mitosis or meiosis. You should be familiar with some of the basics of mitosis from previous science courses. In this module you will review and build on that knowledge as you examine the cell cycle of division and compare the processes of mitosis and meiosis. You will examine the opportunities for variation that exist during cell division, and you will become familiar with technologies that allow you to observe that variation. You will also discover that although organisms don’t all use the same reproductive strategies, the basic principles are universal.

 

Just like any biological process, cell division has its complications. Cancer is an example of mitotic cell division gone wrong. Cancerous cells divide at an uncontrolled rate, causing an abnormal mass of cells. In this module you will further develop your understanding of cell division and how it applies to growth, healing, and reproduction to ensure the survival of species.

 

In the Biology 30 Course Introduction, several resources, including The Key and Student Notes and Problems Workbook: Biology 30, were recommended to you for additional support towards your success. Continue to use these resources as you work through Module 5.

 

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