Genetics Vocabulary

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Across
  1. 5. An allele that will always be expressed if it is present
  2. 7. Two of the same allele (BB)
  3. 8. Two different alleles (Bb)
  4. 11. The physical appearance of an organism
Down
  1. 1. A characteristic of an organism
  2. 2. a permanent change to a gene
  3. 3. The different forms of a gene (often dominant and recessive)
  4. 4. The genes an organism carries (example BB or Bb)
  5. 6. A long strand of DNA that contains lots of genes
  6. 9. A section of DNA that carries the instructions for a specific trait
  7. 10. An allele that can be “hidden” by a dominant trait