Genetics Crossword Puzzle

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Across
  1. 3. allele that is always expressed when present
  2. 6. genotype with two different alleles
  3. 7. trait gained by learning, choice, or environmental influence
  4. 9. trait passed on from parent to offspring through DNA
  5. 12. genotype with two identical alleles
  6. 14. the study of heredity and variation of inherited traits
  7. 15. "___ square"; genetics tool used to predict genotypes and phenotypes of offspring
  8. 16. allele that is expressed only when the dominant allele is not present
Down
  1. 1. percent probability of human offspring being male or female
  2. 2. pair of alleles inherited for a particular trait
  3. 4. one form or version of a gene for a particular trait
  4. 5. specific form or version of trait that is expressed
  5. 8. material needed by cells to do its jobs and to express traits in an organism
  6. 10. the passing on of traits to the next generation of organisms
  7. 11. an observable feature or characteristic
  8. 13. section of DNA containing information to build a particular protein