-Relationship between two versions of a gene
-Two alleles are both expressed as a dominant phenotype
-If a red chicken and a white chicken are crossed, the offspring would not be pink, it would be red and white
-More than two choices of alleles are present for a trait
-Examples in animals: Liger, Tigon, Zonkey
2-3 Facts about trait:
-A Liger is a cross between a lion and a tiger
-Both dominant alleles from the parents, the lion and the tiger, were passed down to the offspring making a mix between the two animals (liger).