Eye Color

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May 22, 2013: I have a question about the possibility of there being an eye color gene on the Y chromosome.  In my family, my paternal grandfather had a very distinct shade of blue eyes. My father, brother and nephew (brother’s son) all have blue eyes. Only the males in our family have blue eyes.  My mother and sister-in-law have green eyes.  When you look at the four generations of males it seems like the blue eyes have only been passed father to son.
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May 8, 2012: Hello, I am curious about what eye color my child might have. I have what I think you call Sectoral Heterochromia. One eye is green, the other is split 50/50 directly in half. Green on top/brown on bottom. My wife has blue eyes.  Will my child have different colored eyes too?  If not, what color will they be?
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August 4, 2011: If both parents have blue eyes, how could they have a child with brown eyes?
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September 23, 2010: How do different shades of eye color happen? Like light or dark brown?
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September 17, 2010: It seems to me that light skin and light eyes go together. Do scientists know why?
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April 12, 2010: Why are blue eyes so uncommon any more?
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October 21, 2009: Can two parents with blue eyes have a child with brown eyes?
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June 22, 2009: We have green eyed identical twin girls. At birth their eyes were brilliant blue and they slowly changed to brilliant green. At 14 their eyes are still green. My husband and I have dark brown eyes. There are blue on both sides of the family. The girl's maternal great-grandmother had blue eyes and their paternal grandmother had grey/blue eyes. But there are no green eyes to our knowledge going back three generations. Where does the green come from?
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May 21, 2009: My parents are both brown eyed. I have blue eyes and I am Mexican American. Can you help me figure out how to compile my Punnett square to determine the probability that resulted in my blue eyes?
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March 26, 2009: I have blue eyes and my mom has blue and my dad green. My husband is Vietnamese and no one in his ancestry has ever mixed racially. His entire family has brown eyes. I used your eye color calculator on the Understanding Genetics website and it said that our next child could have about a 16% chance of blue, 16% chance of green and 66% of brown. My friend said the site is wrong and that we could never have a blue or green eyed child. I don't care either way, but I'd love to know if she's right as I have mixed friends with green and blue eyes with no known blue or green eyed family.
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March 13, 2004: ¿Es posible que dos personas de ojos marrones tengan un bebé con ojos azules? Estas dos personas tienen un padre con ojos azules y otro con ojos marrones. Pueden dos personas de ojos marrones dar a luz a un bebé con ojos azules?
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