Reproduction Crossword

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Across
  1. 2. gene versions
  2. 4. a family tree used by scientists to represent and show heredity within a family
  3. 9. the passing of traits from parents to their offspring
  4. 10. a change in genetic sequence
Down
  1. 1. is the gene overruled
  2. 3. overrules the other gene
  3. 5. the scientific study of genes and heredity
  4. 6. the father of genetics
  5. 7. a person can have an X or Y of this
  6. 8. a genetically determined characteristic