Genetics crossword

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