both parents are very light complected and the baby is darker....
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2 Answers

They must be carrying the gene for brown eyes.

In reality, there are more than two genes that determine an individual's eye color, but if you're just doing the basics of genetics (which I'm assuming you are because this question itself is basic), then we can just say that there are two genes that determine the eye color.

An individual can have a certain eye color but still carry the gene for another, because the other gene can be recessive (non-dominant). However, in this specific example, if two people with blue eyes reproduce, and they're both carrying the recessive gene for brown eyes, then they can have a child with brown eyes, even though they both have blue eyes.

 

Strange thing though, I remember learning that the gene for brown eyes was dominant over the gene for blue eyes. So, then, you should understand why I'm so "if" and "maybe" about my answer.

by Level 2 User (2.9k points)
it depends on the ancestors
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