Genetics

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Across
  1. 3. Alternative forms of the same gene e.g Brown eyes, blue eyes
  2. 4. When the two alleles are the same e.g. BB or bb
  3. 5. An allele that can mask another allele
  4. 7. This type of allele can be masked by another e.g. b
Down
  1. 1. The genetic code for a characteristic e.g. BB
  2. 2. The characteristics you display e.g. brown eyes
  3. 4. When someone has two alleles that are different e.g. Bb
  4. 6. A fault in a chromosome or gene