Genetics, Mutations & Natural Selection Crossword

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Across
  1. 3. The molecule that carries genetic information
  2. 6. A version or form of a gene
  3. 7. Organisms produced by reproduction are called ____
  4. 9. The physical expression of a gene, such as eye color
  5. 12. Traits that are passed down from parent to offspring are said to be ____
  6. 13. The process by which species change over time
  7. 16. A form of a trait that always shows when present
  8. 18. A difference in a trait among individuals in a population
  9. 19. A change in the DNA sequence of a gene
Down
  1. 1. A form of a trait that can be masked by another
  2. 2. The study of how traits are passed from one generation to another
  3. 4. A segment of DNA that codes for a specific trait
  4. 5. The process by which better adapted organisms survive and reproduce
  5. 8. A group of the same species living in one area
  6. 10. The surroundings that influence an organism’s survival
  7. 11. The passing of traits from parents to offspring
  8. 14. The internal genetic makeup of an organism
  9. 15. A characteristic that helps an organism survive in its environment
  10. 17. The continued existence of organisms best adapted to their environment