emily's crossword

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Across
  1. 1. contains the biological instructions to make each organism different
  2. 5. a term used to describe the physical structure of DNA
  3. 6. a long strand of coiled-up DNA
  4. 7. a short section of DNA which controls characteristics
  5. 8. form the building blocks of a gene's sequence within the DNA molecule
Down
  1. 2. alternative to a gene that occurs in pairs
  2. 3. the entire set of DNA instructions found in a cell
  3. 4. membrane-bound organelle that contains the cells genetic code