DNA Extraction Lab Activity | Extract Real DNA Using Household Materials

Unlock the mysteries of DNA with this engaging, hands-on lab that allows students to extract and observe actual DNA using simple, affordable household materials! This comprehensive lab kit provides everything you need to guide your students through the fascinating process of isolating DNA from banana cells.
Students will transform abstract genetic concepts into tangible understanding as they mash cells, create extraction solutions, and witness the dramatic precipitation of visible DNA strands. This memorable experience creates powerful connections between microscopic cellular components and the fundamental molecule of life!
What’s Included

• Detailed Teacher Guide with background information, preparation tips, and classroom management strategies
• Step-by-Step Procedure Cards with full-color photographs of each stage
• Student Lab Worksheets with data collection, observations, and analysis questions
• Extension Activities for differentiated learning
• Vocabulary Flashcards covering key genetic terminology
• Real-World Connection Readings linking the lab to forensics, medicine, and conservation
• Exit Ticket Assessment to quickly check for understanding
• Bonus Digital Presentation with stunning visuals to introduce the activity

Materials Needed Simple, budget-friendly materials that are easy to source:

• Bananas (or strawberries as alternative)
• Dish soap
• Salt
• Rubbing alcohol
• Basic kitchen items (measuring spoons, cups, filters)

✨ Why Teachers Love This Resource “My students were absolutely amazed when they saw real DNA appear before their eyes! This lab created so much excitement about our genetics unit and gave them a concrete reference point for our more abstract discussions.” – 8th Grade Science Teacher
“The materials were so well-organized and the instructions crystal clear. I appreciated the differentiation options and assessment tools. This was well worth the investment!” – Middle School STEM Coordinator
Learning Objectives After completing this lab, students will be able to:

• Describe the basic structure and function of DNA
• Explain how cell structures protect DNA
• Understand how chemical processes can be used to isolate cellular components
• Analyze why different chemicals are used in the extraction process
• Connect classroom learning to real-world applications of DNA science

Perfect Addition to Your Genetics Unit! This DNA Extraction Lab seamlessly integrates with lessons on:

• Cell structure and function
• Chromosome organization
• Genetic inheritance
• Modern genetic technologies

Bring authentic scientific discovery to your classroom today with this engaging, standards-aligned lab experience!
Compatible with distance learning: Includes guidance for adapting as an at-home activity with parent supervision.
Digital & Print: All materials provided in both printable PDF format and editable digital files for your convenience.