Genetics

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Across
  1. 1. The set of genes an organism has.
  2. 5. A length of DNA that codes for a particular protein and therefore a characteristic.
  3. 7. Two different alleles for a gene e.g. Aa
  4. 8. Alternative forms of a gene.
Down
  1. 2. The physical expression of the genotype.
  2. 3. The allele which is only expressed in the phenotype when the individual has two of these alleles.
  3. 4. A pair of identical alleles for a gene e.g. AA
  4. 6. This allele will always be expressed in the phenotype.