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  1. Laboratory vessels on drying rack
  2. Scanning electron micrograph of Staphylococcus and a dead human neutrophil
  3. DNA
  4. Leukemia cells, TEM
  5. Rosalind Franklin, British chemist
  6. Barbara McClintock, in her laboratory at Cold Spring Harbor, New York, in 1947
  7. Gene therapy: model of DNA inside a drug
  8. DNA Art Red
  9. DNA sequences
  10. Electronic and biologic systems, artwork
  11. Illustration of arthritis sites on the body
  12. DNA helix and genetic mapping
  13. Pea flower pollination, SEM
  14. Conceptual image of DNA
  15. Conceptual image of DNA
  16. Chromatin beads, artwork
  17. DNA sequences
  18. Genetics of colour blindness, diagram
  19. Barbara McClintock, US cell geneticist