Identify the major players of meiosis, which are chromosomes from both mom and dad, sister chromatids, centrosomes, centrioles, and microtubules. The lesson goes on to explore each step of meiosis: interphase, prophase I and crossing over, metaphase I, anaphase I, telophase I, cytokinesis, prophase II, anaphase II, telophase II, and cytokinesis. 

Concepts

meiosis, interphase, prophase, metaphase, anaphase, telophase, cytokinesis

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Additional Tags

science

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Instructional Ideas

• Stop the video after each step to allow learners to discuss phases, take notes, and ask questions
• After the video, view phases on slides under a microscope

Classroom Considerations

• To complete the activity, you need a computer, Internet access, and a projection system
• Lesson is part 26 in a series of 37

Pros

• Includes link to meiosis slideshow
• Simple and effective descriptions of each stage with great visuals engage learners and help cement concepts

Cons

• Explanation of why sperm and egg endpoints of meiosis are different was not totally clear

Common Core

RST.11-12.2