Solve the following problem on a piece of paper. Hair color is passed down by incomplete dominance inheritance. Black hair is dominant. Blonde hair is recessive. Brown hair is heterozygous. A woman with brown hair marries a man with brown hair. What are the genotypes of their offspring? What is the ratio of genotypes of the offspring? What is the probability of having each genotypes? What are the phenotypes of their offspring? What is the ratio of the phenotypes? What is the probability of having each of the phenotypes?