Genetics Crossword

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Across
  1. 5. Unit of inherited material carried on the chromosome
  2. 8. The genetic code combination for a trait
  3. 9. Two of the same genes for a trait
  4. 10. A characteristic inherited from a parent
  5. 11. A trait always expressed when present
Down
  1. 1. One of each gene for a trait
  2. 2. The physical appearance for a trait
  3. 3. Study of heredity - traits passed from parent to offspring
  4. 4. Many genes together express a trait
  5. 6. Masked by dominant
  6. 7. When both genes are expressed