DNA History CrossWord

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Across
  1. 1. The cell part where DNA is found (7 letters)
  2. 3. DNA is made of four chemical ___ (5 letters)
  3. 4. The shape of DNA — double ___ (5 letters)
  4. 6. DNA makes a copy of itself — this is called ___ (11 letters)
Down
  1. 2. DNA replication method: “semi-___” (12 letters total)
  2. 5. The molecule that holds our genes (3 letters)