Science

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Across
  1. 2. – Genetic disorder caused by an extra chromosome 21.
  2. 4. – Female reproductive organ that produces eggs.
  3. 7. – When organisms exceed the environment’s resources.
  4. 8. – Scientist who believed traits acquired during life can be inherited.
  5. 9. – Chemical messengers in the body.
  6. 12. – Scientist who proposed natural selection.
  7. 14. – Disorder where a female has only one X chromosome.
  8. 15. – Mutation where extra DNA is added.
  9. 16. – Instrument used to amplify or transmit sound clearly.
  10. 19. – Speciation caused by geographic separation.
  11. 22. – Basic unit of heredity.
  12. 24. – Mutation where DNA segments change places.
  13. 26. – The role of an organism in its environment.
  14. 27. – Reduced or useless body parts.
  15. 28. – Threadlike structures carrying genes.
  16. 30. – Male reproductive organ that produces sperm.
  17. 34. – Process of copying DNA.
  18. 35. – Co-developer of the theory of natural selection.
  19. 37. – Mutation where DNA is repeated.
  20. 38. – Evidence based on body structures.
  21. 41. – Mutation where DNA segment is reversed.
  22. 42. – Evidence based on fossils and actual remains.
  23. 43. – Female with three X chromosomes (XXX).
  24. 45. – Sudden change in genetic material.
  25. 47. – Introduction of DNA into a eukaryotic cell.
  26. 48. – Evolution where unrelated species become similar.
Down
  1. 1. – Isolation that prevents organisms from mating.
  2. 3. – Evidence based on similarities of embryos.
  3. 5. – Process of making RNA from DNA.
  4. 6. – Mutation where part of DNA is removed.
  5. 10. – The state of being alive.
  6. 11. Flow – Movement of genes between populations.
  7. 13. – Evidence based on comparisons and observations.
  8. 17. – Structures with similar functions but different anatomy.
  9. 18. – Primates closely related to humans.
  10. 20. – Plant product used to improve growth.
  11. 21. – The gradual change of organisms over long periods of time.
  12. 23. – Speciation without geographic separation.
  13. 24. – Process of making protein from RNA.
  14. 25. – Structures with similar anatomy but different functions.
  15. 29. – Mutation where one base is replaced.
  16. 31. – Devices used to analyze biological data.
  17. 32. – Total disappearance of a species.
  18. 33. – Hormone that controls hunger and fat storage.
  19. 36. – Scientist who discovered base-pair rules.
  20. 37. – Molecule that carries genetic information.
  21. 39. – Evolution where related species become different.
  22. 40. – Scientist who proved DNA is genetic material.
  23. 44. – Uptake of foreign DNA by a cell.
  24. 46. – Disorder where a male has an extra X chromosome.