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Mitosis Teacher Resources
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The lecturer starts by emphasizing that the mitotic process is a separate mechanism to cytokinesis - the cytoplasm splitting to become 2 cells. The video continues explaining the stages of mitosis in great detail. Each stage is diagrammed and the relevant structures are labeled and explained. Your students will find this to be a valuable supplemental study tool.
Preparing the root tip samples is the most challenging part of the mitosis-viewing lab found here, but the directions help ensure you have everything you need. There is no worksheet included; however, there is a sample data table. Budding biologists can copy the data table into their science notebooks, draw sketches of each observed stage of mitosis, then calculate the miotic index using the formula found in the teaching notes.
After examining the cells of an onion root tip, budding biologists analyze numbers of cells in each different phase of mitosis. They combine their counts with other students' data and then calculate the amount of time a cell might spend in each phase. A lab sheet is provided for recording data and then applying newly acquired knowledge to another scenario. A prelab worksheet is also included as part of this brilliant biology resource.
A basic learning exercise that walks budding biologists through observing, drawing, and describing cells in different stages of mitosis. After observations are complete, learners calculate the percentage of cells in each phase and answer a few comprehension-level questions about the activity.
High schoolers are able to see onion root cells undergoing mitosis underneath a light microscope and determine the phase of mitosis the cells are in. They draw a sketch of the mitotic cells. Students explore the phases of mitosis and the cell cycle. They explore why cells undergo mitosis and how uncontrolled cell division leads to cancer.
An explanatory introduction to genes opens the worksheet for young geneticists. Then, through diagrams and reading passages, mitosis is explained. This is just a general explanation, as the phases of mitosis are not mentioned. Pupils answer a few fill-in-the-blank questions and then use large objects and their arms to model mitosis. They repeat these activities for meiosis and for the fertilization process. Finally, they read about karyotypes and chromosomal abnormalities. The handout is informative, but the lab activities are not engaging.
Life science learners view an online animated mini textbook comparing two types of cell division. Working in groups, they use a digital microscope to capture images of cells in different stages of mitosis and meiosis. Then they create an informational brochure for each process. If you have the laboratory equipment and computer software required to carry out this lesson plan, it is sure to produce educated cell biologists!
Assign these 50 questions to your biology class as a review of cell division. Learners will address the cell cycle, cancer cells, cytokinesis, mitosis, meiosis, gene and chromosomal mutations, and karyotypes. The format is user-friendly, leaving room for pupils to write their answers beneath each question. It would be helpful in preparing them for a quiz on cell division concepts.
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