Genetics Crossword Puzzle

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Across
  1. 1. The physical appearance of an organism
  2. 7. The complete set of DNA in an organism
  3. 9. A version of a gene
  4. 10. A structure that contains DNA and genes
  5. 12. Having two identical alleles for a trait
  6. 13. The combination of alleles an organism has
  7. 14. The process by which a cell divides to produce two identical c
  8. 15. The study of heredity
  9. 16. A change in DNA sequence
Down
  1. 2. The passing of traits from parents to offspring
  2. 3. Having two different alleles for a trait
  3. 4. The shape of DNA
  4. 5. A section of DNA that codes for a trait
  5. 6. The molecule that carries genetic information
  6. 8. A trait expressed only when no dominant allele is present
  7. 11. A trait that masks another trait