Genetics Key Terms

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Across
  1. 3. An organised structure of DNA
  2. 7. An allele whose characteristic only appears in the phenotype if there are two copies present
  3. 8. The genetic constitution of an organism
  4. 9. When an organism carries two copies of the same allele
  5. 10. Sequences of bases on a DNA molecule that codes for a protein
Down
  1. 1. An allele whose characteristic appears together with another allele in the phenotype because neither allele is recessive
  2. 2. An allele whose characteristic appears in the phenotype even when there’s only one copy
  3. 4. When an organism carries two different alleles for the same characteristic
  4. 5. Different version of the same gene
  5. 6. The expression of the genetic constitution of an organism