Extracting DNA from Strawberries
10th GradeScience45 min
Learning Objective
I can extract DNA from a strawberry using a simple procedure and explain the role of each step.
Lesson Flow
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Guided Notes
Key concepts students will learn:
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The purpose of the lysis solution is to break open the strawberry's cells to get to the DNA.
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The lysis solution contains detergent, salt, and water to break open the cells.
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Rubbing alcohol is added to the filtered strawberry mixture to cause the DNA to precipitate, or come out of solution, allowing it to be seen and collected.
Practice
8 questions • Short answer
Exit Ticket
“Describe the role of each of the following components in the strawberry DNA extraction procedure: 1) smashing the strawberries, 2) lysis solution (detergent and salt), and 3) alcohol.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
