The different forms of a gene are called

Roan cattle show codominance for the color of their hair. There are alleles for red hair and white hair. What would you expect a heterozygous roan bull to look like if the trait showed incomplete dominance instead?

Situations in which one allele for a gene is not completely dominant over another allele for that gene are called

In rabbits, there are four different versions of the gene for coat color. What pattern of inheritance is this?

Variation in human skin color is an example of