Genetics

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Across
  1. 3. purposely breeding plants and animals for desirable traits
  2. 5. a trait developed after birth, not coded by DNA
  3. 8. a trait that is expressed when an organism receives genes for two different forms of a trait
  4. 9. production of offspring by the union of male and female gamates
  5. 12. organism that has two different genes for the same trait
  6. 13. basic structural unit of DNA
Down
  1. 1. change in the genes of an organism
  2. 2. production of offspring from only one parent
  3. 4. carries and transfers genetic information
  4. 6. short, thick coil of DNA
  5. 7. a selection of DNA that does for one trait
  6. 10. a trait that helps an individual to survive in its environment
  7. 11. a trait that is not expressed when an organism receives genes for two different forms of a trait
  8. 12. genetic transfer of characteristics from parents to offspring