| Type of dominance | Definition |
|---|---|
| Complete dominance | Phenotype of the heterozygote is the same as the phenotype of one of the homozygotes |
| Incomplete dominance | Phenotype of the heterozygote is intermediate (falls within the range) between the phenotypes of the two homozygotes |
| Codominance | Phenotype of the heterozygote includes the phenotypes of both homozygotes |