Heredity and genetics crossword

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Across
  1. 2. an exact copy
  2. 6. Examples are Rr and RR.
  3. 7. Man's best friend
  4. 8. The way that all humans reproduce.
  5. 9. results from errors in DNA replication
Down
  1. 1. traits that can be observed
  2. 3. Vital for muscle growth.
  3. 4. square using this we can determine the traits of offspring.
  4. 5. getting passed traits by your parents
  5. 7. Double helix shaped
  6. 10. variation of genes