Extracting DNA from Strawberries

Extracting DNA from Strawberries

Grade 10th Grade · Science · 45 min

What's Included

Learning Objective

I can extract DNA from a strawberry using a simple procedure and explain the role of each step.

Warm-Up Video

National Human Genome Research Institute · 9:46

How to extract DNA from strawberries

Guided Notes

3 key concepts

  • 1

    The purpose of the lysis solution is to break open the strawberry's cells to get to the DNA.

  • 2

    The lysis solution contains detergent, salt, and water to break open the cells.

  • 3

    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 Questions

8 questions · Short answer

Exit Ticket

Quick comprehension check

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