Example(s) Definition
Inheritance Pattern
Speckled chic
Two-colored
Codominance
The alleles are neither recessive nor
dominant, and both alleles are
expressed in the offspring.
Pink snapdrag
Palomino hor
Incomplete
dominance
Neither allele is dominant, and the
offspring demonstrate an intermediate
form of the alleles from the parents.
Three or more different forms of a
gene exist for a single trait.
Blood type
Multiple alleles
Traits are affected by multiple genes.
Eye, skin, an
Birth weight
Polygenic