Genetics + DNA !!

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Across
  1. 4. what makes us all unique
  2. 6. the XX or XY we all have
  3. 7. the place genes/DNA are found in
  4. 8. the core of genes
Down
  1. 1. the shape of DNA
  2. 2. when you have multiple groups of 2
  3. 3. might be black, brown, blonde and you can dye it fun colors
  4. 5. a --- of hair or a --- of DNA