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  1. Khan Academy

  2. Unit 15: DNA as the genetic material - Science | Khan Academy

  3. Unit 15: DNA as the genetic material - Khan Academy

  4. Hershey and Chase: DNA is the genetic material - Khan Academy

  5. The discovery of the double helix structure of DNA

  6. Khan Academy

  7. Khan Academy

  8. Molecular structure of DNA - Khan Academy

  9. Khan Academy

  10. Unit 14: DNA as the genetic material - Khan Academy