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This Strawberry DNA activity also includes:
Humans aren't the only ones with DNA—fruit has it too. Using a extraction solution, pupils pull the DNA out of a piece of fruit. Learners crush up a piece of fruit with the solution and filter out the solids. Scholars then add cold isopropyl alcohol causing the DNA to precipitate to the top.
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Instructional Ideas
- Create a lab sheet with directions and questions about the activity
- Research how DNA is extracted for various reasons
Classroom Considerations
- Assumes the class has an understanding that cells contain DNA
- Requires making the extraction solution before class
Pros
- Provides background information about DNA
- Contains extension suggestions
Cons
- None