Genetics vocab crossword

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Across
  1. 3. unit of inherited material carried on the chromosome
  2. 4. a characteristic in herited from a parent
  3. 7. one of each gene for a trait
  4. 9. masked by dominant
  5. 10. when both genes are expressed
Down
  1. 1. study of heredity - traits passed from parent to offspring
  2. 2. two of the same genes for a trait
  3. 3. the genetic code combination for a trait
  4. 5. many genes together express a trait
  5. 6. a trait always expressed when present
  6. 8. the physical appearance for a trait