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Why can a person with brown eyes carry blue eye alleles but a person with blue eyes cannot have a brown eye allele in their genotype?
A person with brown eyes can carry the blue eye allele because brown is a dominant trait, so they can have both blue and brown alleles in their genotype. However, a person with blue eyes cannot have a brown eye allele because blue eyes are a recessive trait, meaning they must have two copies of the blue allele in their genotype to express the trait.
Why Several genes control human eye color. Because of this eye color shows a continuous variation from very dark brown to green to blue. What is this an example of?
Eye color is not an example of polygenetic traits. Skin color is. Eye color is rather simple as far as genetics go (in humans). Brown (B) is dominate and blue (b) is recessive. A person with blue eyes has to have to have both genes for the color blue (bb). A person with brown eye color can has both genes for brown (BB) or one for brown and one for blue (Bb). The blue is not expressed in this case with Bb. Some people have hazel eyes but this is a variation of the blue color.
Are blue eyes more dominant than brown eyes?
No, brown eyes are more dominant than blue eyes genetically. Brown eye color is a dominant trait, while blue eye color is a recessive trait. This means that if a person has one gene for blue eyes and one gene for brown eyes, the brown eye gene will be expressed.
Does Thierry Henry have one blue eye and one brown eye?
has thierry Henry one brown and one blue eye
What eye colour does Andy Murray have?
brown
Can a brown eye person and green eye person produce a blue eye child?
Yes, it is possible for a brown-eyed individual and a green-eyed individual to have a child with blue eyes. Eye color inheritance involves the mixing of genetic factors, so a child can inherit blue eyes if both parents carry the recessive gene for blue eyes.
Can a person have different colored iris's?
Yes! i have a friend who has one brown eye and one blue.
Why does kate brosworth have one blue eye and one brown eye?
Kate Bosworth has a condition called heterochromia, which causes her to have one blue eye and one brown eye. This is a rare genetic trait that results in a person having two different colored eyes.
Does Rihanna have blue eye's?
No, they are brown
What Was William McKinley's Eye Color?
Blue
Is brown the dominant eye color?
No, blue is. Blue is a baby's eye color and then they change to whatever color after about one month.
If the husband have brown eye and woman have blue eyes is it that the husband mother had blue eye that the kids have blue eyes?
There's a 50% of chance that the children's eyes will be brown.
