Heredity & Genetics Crossword

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Across
  1. 3. Structure made of DNA that contains genes
  2. 4. Allele that is masked by another allele
  3. 7. One of two or more versions of a gene
  4. 8. Cell division that produces gametes
  5. 10. Observable traits of an organism
  6. 11. Molecule that carries genetic instructions
  7. 12. Allele that masks another allele
Down
  1. 1. A change in the DNA sequence
  2. 2. Passing of traits from parents to offspring
  3. 5. The basic unit of heredity
  4. 6. Genetic makeup of an organism
  5. 9. The one who made the puzzle