Eyes

Eyes color is  determined by the amount and type of  the  Humans and other animals have many  variations in eye color, as blue, brown, gray, green, and others. These variations constitute  phenotypic traits The genetics of eye color are complicated, and color is determined by multiple genes. Some of the eye-color genes include EYCL1 (a green/blue eye-color gene located on chromosome 19), EYCL2 (a brown eye-color gene) and EYCL3 (a brown/blue eye-color gene located on chromosome 15). The once-held view that blue eye color is a simple has been shown to be incorrect. The genetics of eye color are so complex that almost any parent-child combination of eye colors can occur