Heredity

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Across
  1. 4. small sections of DNA that control specific traits
  2. 5. a trait that is hidden when a dominant trait is present
  3. 6. changes in DNA that can create new traits
  4. 8. having two identical alleles for a trait (AA or aa)
  5. 10. the study of how traits are inherited
  6. 11. the scientist who discovered the basic rules of heredity using pea plants
  7. 12. characteristics or features of an organism (like eye color or height)
Down
  1. 1. threadlike structures in cells that contain DNA and genes
  2. 2. square a chart used to predict the possible traits of offspring
  3. 3. having two different alleles for a trait (Aa)
  4. 7. a trait that is always expressed when present
  5. 9. the passing of traits from parents to offspring