Vocabulary puzzle

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Across
  1. 1. Organism with two of the same alleles
  2. 4. Science of heredity
  3. 6. Organism with 2 different alleles for trait
  4. 8. the passing on of physical characteristics
  5. 9. Alternative form that a single gene may
  6. 10. Observable characteristics expressed as allele
Down
  1. 2. An organism’s allele pairs
  2. 3. name for a specific trait hidden in the F1 gen
  3. 5. name for a trait that appeared in the F 1 gen
  4. 7. a genetically determined characteristic