In general, children inherit their eye color from their parents, the eye colors of the mother and father. Predict your baby's eye color by selecting mom's and dad's eye colors to see your customized baby eye color chart. But inheritance of eye color isn't that simple because it is polygenic. Polygenic means that the trait is influenced not by one gene, but by multiple genes working together. Even if only the one most obvious gene is considered--the one with the most control over brown vs. all other eye colors, there are still a few things to consider.
1.The parents' eye colors 2. Whether the parents are homozygous or heterozygous for that color 3.If the eye colors of the parents are dominant or recessive.
Two brown eyed parents, if both are heterozygous, can have a blue-eyed baby. By these rules it would seem that two blue-eyed parents cannot have a brown-eyed baby, because blue-eyed people are homozygous. However, eye color, as you remember, is polygenic, and those several other genes exert their effects as well. So yes, while it's unusual, it is possible for blue-eyed parents to have a brown-eyed child, as the baby eye color chart shows.
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