Eye color genetics is influenced by multiple genes that control melanin and pigment in the iris. Learn how dominant and recessive traits shape family eye colors. The best online free tool eye calculator calculates the eye color based on the eye colors of both parents and grandparents, use it for accurate predictions.
Learn about eye color inheritance with our interactive Punnett square calculator. Understand the genetic combinations for brown, blue, and green eyes. Determine what eye color your parents will have based on parents dominant, recessive, and mixed genes.
Eye color is more than just a trait-it's a window into our genetic past, a record of ancient migrations, mutations, and molecular artistry. From the melanin-rich browns of early humans to the icy blues of northern Europe, our eyes carry the legacy of evolution, culture, and biology. What makes eye color so captivating is its complexity.
A couple's children can have almost any eye color, even if it does not match those of either parent. Currently it is thought that eye color is determined by about six genes, so you can imagine how inheritance of eye color becomes very complicated. Whether you're curious about your own family's eye colors or interested in hereditary health, this information provides a clear picture of the genetic factors behind eye color variation.
Heterochromia of the eye is called heterochromia iridum (heterochromia between the two eyes) or heterochromia iridis (heterochromia within one eye). It can be complete, sectoral, or central. In complete heterochromia, one iris is a different color from the other.
In sectoral heterochromia, part of one iris is a different color from its remainder. The laws of genetics state that eye color is inherited as follows: If both parents have blue eyes, the children will have blue eyes. The brown eye form of the eye color gene (or allele) is dominant, whereas the blue eye allele is recessive.
Eye color is determined by a complex interaction of genes inherited from both parents, with no single parent solely responsible.