Genetics Review

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Across
  1. 2. Having two different alleles for a gene
  2. 3. The study of how traits are passed from parents to offspring
  3. 4. An organism with two identical alleles for a trait
  4. 6. A trait that only shows if two copies are present
  5. 9. An organism produced by the selective mating of parents with desired traits
  6. 12. The result or child of parents
  7. 15. An organism with two different alleles for a gene
  8. 16. The molecule that carries genetic instructions
  9. 18. A disorder caused by abnormalities in genes or chromosomes
  10. 20. The process of choosing specific organisms to breed for desired traits
Down
  1. 1. The physical appearance or expression of a trait
  2. 5. A change in the DNA sequence
  3. 7. A structure in the cell nucleus that contains genetic material
  4. 8. A trait that masks the presence of another
  5. 10. The different forms of a gene
  6. 11. A segment of DNA that codes for a specific trait
  7. 13. One of the organisms that produces offspring
  8. 14. A person or organism that carries a gene but does not show the trait
  9. 17. The likelihood that a particular event will occur
  10. 19. The genetic makeup of an organism
  11. 21. A trait that can be passed down from parents to offspring