How rare is it to have a multi colored eye?

How rare is it to have a multi colored eye?

Heterochromia is fairly uncommon, occurring in less than 1 percent of the population. It can be caused by several factors and present itself in different ways. What causes Heterochromia? The color of our eyes comes from the appearance of the pigment that is present in the iris, the central part of the eye.

What causes multi colored eyes?

Some people have two different colored irises from a condition called heterochromia. This condition is often caused by injury or trauma to the eye. Rarely, it may be caused by a birth defect such as Waardenburg syndrome, Sturge-Weber syndrome, congenital Horner’s syndrome, or Parry-Romberg syndrome.

Is eye color a multifactorial trait?

Eye color is an example of polygenic inheritance. This trait is thought to be influenced by up to 16 different genes.

Can a person be born with 2 different eye colors?

There are several ways people can have two different colored eyes. People can be born with heterochromia, or it can result from disease or injury. It’s pretty rare for people to inherit mismatched eyes from their parents. But before diving into the details, we need to understand where eye color comes from.

Is eye color controlled by one gene?

Eye color was traditionally described as a single gene trait, with brown eyes being dominant over blue eyes. Today, scientists have discovered that at least eight genes influence the final color of eyes. The genes control the amount of melanin inside specialized cells of the iris.

Can 2 blue eyed parents have a brown-eyed child?

This has to do with the fact that blue eyes are supposed to be recessive to brown eyes. This means that if a parent has a brown eye gene, then that parent will have brown eyes. Which makes it impossible for two blue-eyed parents to have a brown-eyed child — they don’t have a brown eye gene to pass on!

What is the rarest eye Colour?

What is the rarest eye color? Green is the rarest eye color of the more common colors. Outside of a few exceptions, nearly everyone has eyes that are brown, blue, green or somewhere in between. Other colors like gray or hazel are less common.