High School Epigenetics

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Across
  1. 2. Factor that changes the DNA sequence.
  2. 7. The genetic makeup of an organism.
  3. 8. Chemical changes to histones that affect gene expression.
  4. 10. Tightly packed DNA where genes are turned off.
  5. 11. Process that usually turns genes off by tightening DNA around histones.
  6. 13. Protein that DNA wraps around for organization.
  7. 14. Process that usually turns genes on by loosening DNA around histones.
  8. 17. Molecule that contains genetic instructions for an organism.
  9. 18. Addition of chemical tags to DNA that usually turns genes off.
  10. 19. Changes in gene activity without altering the DNA sequence.
Down
  1. 1. External influences like diet or stress that affect gene expression.
  2. 3. Loosely packed DNA where genes are turned on.
  3. 4. DNA and proteins combined together in the nucleus- often described as a string with beads.
  4. 5. Very condensed structure made of DNA that is only visible during cell division.
  5. 6. Passing gene expression patterns to offspring without changing DNA.
  6. 9. The observable traits of an organism.
  7. 12. Removal of chemical tags to DNA that usually turns genes off.
  8. 15. Whether a gene is turned on or off.
  9. 16. A change in the DNA sequence.