What Hair Color Is Dominant. Eumelanin and pheomelanin generally if more eumelanin is present the color of the hair is darker. Although hair color is dependant on dominant and recessive qualities predicting hair color is more complex than predicting other genetic traits.
The color of the hair depends on the amount and type of melanin produced by melanocytes. Levels of melanin can vary over time causing a person s hair color to change and it is possible to have hair follicles of more than one color on the same person. The gene specific to controlling the presence of red hair is the mc1r gene and your children would typically.
Dominant genes such as brown eye color trump recessive genes.
If less eumelanin is present the hair is lighter. Hair color is just one feature that comes from the combined efforts of all of a person s genes plus their environment. The genetics of our natural hair color. Melanocortin 1 receptor mc1r is the gene responsible for hair color determination.