Across
- 2. result from two different eggs fertilized by different sperm
- 5. can be prevented if you carry sickle-cell gene
- 9. states that our genes set limits in which we can operate and our environment affects our genes to determine the scope in which we fall
- 11. Determine traits such as eye color or hair color
- 12. An egg and sperm each contain how many chromosomes
- 13. Term used to describe the individual organism that contributed the genetic material to an offspring
- 15. Geneticists study the changes that result from the interaction of genes and the environment
- 16. states that our genes influence our environment and our environment influences our genes
- 18. traits controlled by more than one gene
- 19. Organisms better suited to their environment will
Down
- 1. a sudden, permanent change in a gene
- 3. Psychologists focus on patterns that develop over long periods in behaviors and cognitive processes
- 4. Poorly suited organisms will
- 6. Theory of Evolution by Natural Selection
- 7. develops from a single fertilized egg that splits
- 8. A person’s inherited physical characteristics
- 10. a specific version of a gene
- 11. The genetic makeup of a person
- 14. What does DNA stand for
- 17. DNA are long string of genetic material