Genetics And Heredity

1234567891011121314
Across
  1. 3. chromosomes.
  2. 7. a threadlike strand of coiled DNA in the nucleus that controls cell
  3. 10. and carries genetic material to pass traits to offspring, humans have 23 pairs
  4. 12. A trait or character that is genetically inherited or passed down
  5. 13. is present
  6. 14. the study of heredity
Down
  1. 1. a physical characteristic that is not inherited but may be an effect
  2. 2. a unit genetic material that determines a trait
  3. 4. generation to generation
  4. 5. strong form of a gene which is expressed even if a recessive
  5. 6. the passing of traits from parents to offspring
  6. 8. the weak form of a gene which is not expressed when the
  7. 9. the environment
  8. 11. form is also present