Is it genetically possible for a child with blue eyes to have brown eyed parents?

I was watching an episode of House where a kid had different colored eyes than his brown eyed parents. You find out in the episode that he's adopted. I also have a cousin who has blue eyes, and her parents both have brown eyes. I was just curious as to whether or not it would be possible for two brown-eyed... show more I was watching an episode of House where a kid had different colored eyes than his brown eyed parents. You find out in the episode that he's adopted. I also have a cousin who has blue eyes, and her parents both have brown eyes. I was just curious as to whether or not it would be possible for two brown-eyed people to have a child who did not have brown eyes.
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