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Edvotek™ Do Onions, Strawberries and Bananas Have DNA? Products for Science Education

Students will participate in extracting DNA from fresh onion tissue.

Manufacturer:  Edvotek™ S75

Catalog No. S94595

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Includes: DNA extraction buffer; DNA sample in capped test tube; Five transfer pipets; Pop beads for building DNA model; Glass rod; Four graduated test tubes; Five wood splints for DNA spooling; Salt packet; Complete instructions, background information and study questions

Requires : Fresh onion pieces; Ripened fresh banana; Fresh strawberry pieces; 70% clear isopropyl alcohol (rubbing alcohol); Distilled water



  • Perform techniques used by scientists to explore the characteristics of DNA and see how DNA looks to the naked eye
  • Explain the function of DNA in cells
  • Build a simulated DNA model
  • Learn what DNA looks like in solution and after it is spooled
  • Isolate DNA from onion, banana or tomato cells and spool it from the solution

Order Info

Class size: five groups.



10 lab groups
30 minutes
Fruit, vegetables and 95 to 100% isopropyl alcohol
Do Onions, Strawberries And Bananas Have DNA? Classroom Kit
DNA extraction Buffer; DNA sample in capped test tube; five transfer pipets; pop beads for building DNA model; Glass rod; four graduated test tubes; five wood splints for DNA spooling; salt packet; complete instructions; background information and study questions
For DNA extract
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