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A black kid can get blue eyes one of two ways, one way is through mutation and one way is by having blue eyed ancestors some distance in the distance past. A mutation occurs when a particular gene is not expressed for some reason or another. All babies are born with blue eyes. Shortly after birth, a particular gene tells most black kids, "Turn that kid's eyes a different color." Occasionally, something happens and does not turn on that particular gene. Generally, it makes no difference in eye color. With other genes in the body are not turned on, the results can be deadly and cause such diseases as cystic fibrosis. The other reason can happen because eye color is a recessive gene. If two ancestors had blue eyes, those genes might be the eye color genes that just happen to come together in that baby. If the parents had a dark and a blue eye gene, their eyes would be a dark color. The blue eye gene would not be expressed. It would be recessive. If the blue eye genes came together, then the baby's eyes would be blue. Gregor Mendel, a monk, worked out the laws of inheritance for dominant and recessive genes.

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