Can Two Brown Eyes Make A Blue
Camila Farah
Two brown eyed parents are more likely to have a child with brown eyes.
So it s entirely possible that a family may be all brown eyed for several generations yet that several of them have a blue eye recessive gene which may or may not be passed onto their offspring. Your two different colored eyes are called heterochromia. The only way to present blue eyes is to inherit two copies of the blue eyed gene. And two blue eyed parents can make a brown eyed child if in some cases one of the blue eye s parents has brown eyes.
However with the last type there is no dominant gene merely two recessive this then produces the eye colour or the recessive gene blue. Two brown eyed parents can have a blue eyed child. A complete absence of melanin results in the pale blue eyes of people with albinism. Therefore two brown eyed partners can birth a blue eyed baby.
If one parent has brown eyes and the other has blue eyes eye color is more of a toss up. 2009 we have done a punnett s square test and shown that both parents have to be heterozygous ct in order for their child to have 25 probability of inheriting blue eyes. Kate bosworth also has this condition. Two blue eyed parents are very likely to have a blue eyed child.
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Two brown eyed parents could be carriers of the recessive gene that causes blue eyes. If both brown eyed parents are both tt none of their children would have blue eyes. If the child inherits the blue eyed recessive gene from each parent he has blue eyes. If both brown eyed parents are either ct or tt none of their children would have blue eyes.
If a baby gets one blue eye gene and one brown eye gene then the eyes will be brown and will usually have changed to brown within the first year of life. With the first two the b is dominant producing brown eyes. If one of the grandparents has blue eyes the chances of having a blue eyed baby increase slightly. However brown eyed parents can pass a recessive blue eyed gene.
For example brown eyes have denser concentrations of melanin than green or hazel eyes.
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