Heredity and Genetics
Science

Neither allele for a trait is dominant, offspring display a blended form of the trait
Incomplete dominance
Neither allele for a trait is dominant, offspring display a blended form of the trait. Incomplete dominance. Incomplete dominance is when the traits from two different alleles combine to create a mixed or intermediate trait in the offspring.

A trait controlled by two or more genes, like skin or eye color
Polygenic trait
A trait controlled by two or more genes, like skin or eye color, is a polygenic trait. A polygenic trait is a characteristic influenced by multiple genes, resulting in a wide range of possible appearances, such as varying skin tones or eye colors.