Biology Crossword

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Across
  1. 2. having two identical alleles for a specific gene, inherited from both parents
  2. 5. observable characteristics, traits, or behaviors of an organism
  3. 6. distinguishing quality or characteristic
  4. 8. being the most common
  5. 11. physical and functional unit of heredity, composed of specific DNA
  6. 12. two copies of the gene
  7. 13. two different alleles for a specific gene
  8. 14. the molecule that carries genetic instructions
Down
  1. 1. thread-like structures made of DNA and protein
  2. 3. the genetic constitution of an individual organism
  3. 4. two-stage cell division process
  4. 5. has parents and ancestors of the same breed
  5. 7. a mature haploid male or female germ cell
  6. 9. one of two or more alternative forms of a gene
  7. 10. system composed of two different components