Genetics vocab

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Across
  1. 4. an allele expressed in the phenotype when only two copies are present
  2. 5. two different forms of the gene
  3. 7. are various forms of the same gene
  4. 8. an allele expressed in the phenotype even if one copy is present in the genotype
  5. 9. describes the actual genes an organism has written as letters
Down
  1. 1. two forms of the same gene
  2. 2. means the same thing as heterozygous
  3. 3. the study of heredity
  4. 6. describes the actual characteristics observed