Mitosis and the Cell Cycle

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In this hands-on, minds-on activity students use model chromosomes and answer analysis and discussion questions to learn how the cell cycle produces genetically identical daughter cells. Students learn how DNA replication and mitosis ensure that each new cell gets a complete set of chromosomes with a complete set of genes. Students learn why each cell needs a complete set of genes and how genes influence phenotypic characteristics. Finally, students analyze exponential growth to understand how a

HS-LS1-4 Use a model to illustrate the role of cellular division (mitosis) and differentiation in producing and maintaining complex organisms.

Develop and/or use a model (including mathematical and computational) to generate data to support explanations, predict phenomena, analyze systems, and/or solve problems.

In multicellular organisms individual cells grow and then divide via a process called mitosis, thereby allowing the organism to grow. The organism begins as a single cell (fertilized egg) that divides successively to produce many cells, with each parent cell passing identical genetic material (two variants of each chromosome pair) to both daughter cells. Cellular division and differentiation produce and maintain a complex organism, composed of systems of tissues and organs that work together to meet the needs of the whole organism.

Mitosis and the Cell Cycle

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