Nucleus & DNA

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Across
  1. 3. Humans have 46 of these in total (23 from mother and 23 from father)
  2. 4. The control centre of the cell
  3. 6. The famous extinct bird that scientists might bring back
  4. 7. The base that pairs with Cytosine
  5. 11. The base that pairs with Thymine
  6. 13. The study of heredity and traits
  7. 14. The process where an exact genetic copy of an organism is made
  8. 15. The helical molecule that stores genetic information
Down
  1. 1. A structure (gap) that lets molecules in and out of the nucleus
  2. 2. A sequence of DNA that codes for a protein
  3. 5. Physical features that can be inherited, like eye colour
  4. 8. The process by which traits are passed from parents to offspring
  5. 9. The elephant-like animal scientists are trying to bring back using DNA from frozen specimens
  6. 10. The double _____ structure describes the shape of DNA
  7. 12. The process of making an identical copy of DNA