Genetic crossword

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Across
  1. 3. The study of heredity.
  2. 5. The genetic makeup of an organism.
  3. 7. The physical location of a gene on a chromosome.
  4. 8. A section of DNA that codes for a specific trait.
  5. 9. Different versions of a gene.
  6. 10. The observable traits of an organism.
Down
  1. 1. The allele that masks the effect of another allele.
  2. 2. A trait that is expressed only when two recessive alleles are present.
  3. 4. Structures within cells that contain DNA and carry genetic information
  4. 6. The process by which genetic information is passed from parents to offspring.