Genetics crossword

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Across
  1. 3. DNA
  2. 4. A English naturalist who studied variation in plants and animals
  3. 5. You have 23 pairs of these in each cell of your body
  4. 6. Has 2 different alleles for a gene
  5. 9. Repeating units in DNA
  6. 10. Form of a gene
  7. 11. Differences in characteristics and traits within organisms and species
Down
  1. 1. The appearance of the gene
  2. 2. Used to show probability of traits in offspring
  3. 6. Has 2 of the same alleles
  4. 7. Opposite to a dominant allele
  5. 8. Passing on characteristics from generation to generation