Genetics and Hereditary Crossword Puzzle

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Across
  1. 3. The descendants of a particular organism.
  2. 5. Structures in cells that contain genes.
  3. 6. A square used to predict genetic combinations.
  4. 8. An organism that is homozygous for a trait.
  5. 9. Different forms of a gene.
  6. 10. Characteristics that can be inherited.
  7. 12. An allele that is only expressed when two copies are present.
  8. 13. A unit of heredity that determines a trait.
  9. 14. An organism with two different alleles for a trait.
Down
  1. 1. An allele that masks the effect of another allele.
  2. 2. The genetic makeup of an organism.
  3. 4. The physical appearance of an organism.
  4. 5. The mating of two organisms.
  5. 7. The study of heredity and variation in organisms.
  6. 11. The passing of traits from parents to offspring.