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Light blue goes with brown just don't over do it

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Ashlee Farrell

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2y ago

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The parents of Tim have brown eyes but Tim has blue eyes so How is this possible?

Tim's parents both have the recessive trait for blue eyes but their brown eye traits are the dominant ones that show. Time must have by chance gotten both the recessive genes from his parents and no brown eye genes thus his blue eyes go without the brown taking over.


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.


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.


Are there more brown eyed people in the world than blue eyed?

NO. People with blue eyes do NOT have the brown eyed gene, if they did they themselves would have developed brown eyes instead of their blue as it is dominant. So two blue eyed parents can only pass the blue gene to their offspring.


What if your friend has blue eyes her genes contain one allele for blue eyes and one allele for brown eyes which allele is recessive how do you know?

The brown allele is recessive. Think: Blue = B, and brown = b Your friend is Bb, or heterozygous for the gene. In heterozygotes, the expressed phenotype is the dominant gene, which in this case, apparently, is blue. Thus, because your friend does not have brown eyes, the brown allele must be recessive.