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Observing Mitosis

Kit #9
Observing Mitosis

Students prepare, then view under the microscope, slides of an onion root tip in which cells have undergone various stages of mitosis. They sketch and differentiate interphase and four major stages of mitosis – prophase, metaphase, anaphase, and telophase.

Details at a Glance

  • 1-2 Days | 1-2 ~50 minute class periods
  • 1 Activity
  • Accommodates 2 classes, each with 15 groups of 2 students
  • Consumables service 60 students
  • Meets our criteria for supporting literacy
  • Includes digital resources

Complete Kit Equipment Package

Normal Mitosis

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Scientific Concepts

•The cell cycle describes the process of creating new cells.
•When a cell duplicates to form two identical daughter cells, the cell cycle consists of two main steps: interphase and mitosis.
•Mitosis is a continuous process that scientists have divided into five phases: prophase, metaphase, anaphase, telophase, and cytokinesis.
Key Vocabulary: anaphase, interphase, prophase, cell cycle, metaphase, telophase,
cytokinesis, mitosis

Guides & Student Sheets

Our kits and modules provide you with everything you need so you can open, review, and teach the material confidently the next day.

  • Full downloadable Teacher Guide with background information, detailed instruction, example data and answers
  • Downloadable Student Sheets with age appropriate background information, full procedure(s), and analysis questions
  • All materials necessary to carry out the investigation
  • Safety Data Sheets

Kit Components

  • 15 Lab-Aids A and B trays
  • 15 Tissue transfer brushes
  • 15 Tissue macerating blades
  • 30 Microscope slides
  • 30 Cover slips
  • 4 Solution A, bottle
  • 4 Solution B, bottle
  • 4 Aceto-orcein stain, bottle
  • 1 Onion root tips, vial
  • 1 Teacher’s Guide with MSDS
  • 30 Student Worksheets and Guides
  • Not included and needed for instruction: Microscope, eyewear, shallow dishes, paper towels.

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