Genetics

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Across
  1. 2. the passing of traits from parent to offspring
  2. 4. another word for homozygous
  3. 5. when both alleles can be observed in a phenotype
  4. 6. an individual who possesses one copy of a recessive gene associated with a disease but typically displays no symptoms, as their healthy gene masks the affected one
  5. 10. a section on a chromosome that has genetic information for one trait
  6. 11. threadlike structures made of protein and a single molecule of DNA that serve to carry the genomic information from cell to cell
  7. 13. how a trait appears, or is expressed
  8. 16. when the two alleles of a gene are different
  9. 17. when the allele for a trait is on the X or Y chromosome
  10. 18. an individual animal, plant, or single-celled life form
  11. 19. a distinguishing quality or characteristic, especially one belonging to a person
  12. 20. when multiple genes determine the phenotype of a trait
Down
  1. 1. a genetic factor that is blocked by the presence of a dominant factor
  2. 3. a chart used to show how traits are passed through generations of a family
  3. 7. a different form of a gene
  4. 8. the two alleles that control the phenotype of a trait
  5. 9. when the two two alleles of a gene are the same
  6. 12. an organism's genetic material
  7. 14. another word for heterozygous
  8. 15. a genetic factor that blocks another genetic factor