+22 Alleles For Hair Color Ideas. The purple pericarp (prp) trait. Web by comparing the hair colour of the group with their genetic information, stored at several million locations across the human genome, the team identified 124.

Web hair color is determined by the amount of a pigment called melanin in hair. Web the allele associated with blond hair, g (yellow), is most prevalent in northern europe. Both alleles can be the same (both alleles are coding for brown.