Chapter 8 Crossword

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Across
  1. 2. An organism's appearance, or physical traits
  2. 3. A (blank) allele is always visible where it is present
  3. 6. when only one allele is partially dominant
  4. 8. A (blank) allele is always hidden when the dominant allele is present
  5. 9. a number that describes how likely it is that an event will occur
  6. 10. The factors that control a trait
  7. 12. when both alleles are expressed equally
  8. 14. A (blank) organism is the offspring of many generations with a certain trait
  9. 15. The different forms of a gene
Down
  1. 1. when three or more possible alleles determine a trait
  2. 4. Parents pass on (blank) to their offspring
  3. 5. when more than one gene affects a trait
  4. 7. The study of heredity
  5. 11. The passing of physical characteristics from parents to offspring
  6. 13. An organism's genetic makeup