Genetics Crossword

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Across
  1. 2. Having two different alleles for a gene .
  2. 5. Threadlike structures in cells that contain genetic information .
  3. 6. The molecule that carries hereditary information in living things .
  4. 8. The combination of alleles an organism has for a trait .
  5. 10. Sections of DNA that provide instructions for specific traits .
  6. 11. The observable traits or physical appearance of an organism .
  7. 12. alleles, Gene versions expressed only when no dominant allele is present .
Down
  1. 1. An organized picture of all the chromosomes in a cell is called a .
  2. 3. Having two identical alleles for a gene .
  3. 4. alleles, Gene versions that mask the effects of other allele versions .
  4. 7. Different versions of the same gene .
  5. 9. Squares Diagrams used to predict possible offspring allele combinations