2007-05-25 01:58:55 · 21 answers · asked by heatherinalgeria 1 in Science & Mathematics ➔ Biology
All of these anwers are wrong, because they assume eye color is determined by a particular gene, and a simple recessive-dominant relationship. The genetics of eye color is much more complex, so the answer is it is possible. Eye color is affected by melanin content, and several genes involved. Its unlikely, but certainly possible to have blue eyes, with parents that have brown eyes. Realize that "brown" and "blue" are what we call them, but its all in a spectrum of colors. Also keep in mind that eye color can change somewhat over time, and those blue eyes may darken some over time.
2007-05-25 02:26:03 · answer #1 · answered by Chris B 2 · 2⤊ 0⤋
Just because you both have blue eyes there is a very very good chance that you carry the brown eye trait. Brown eyes are dominant (that is why most people are brown eyed and they say someday everyone will be). It is total luck or chance when someone is blue eyed or green eyed because it means both parents are carriers of the rececive trait blue and green.
Br= brown= dominant
bl=blue= recesive
When there is a brown present the eyes are automatically brown and the only time the eyes can become blue is if there are two blue recesive traits met up from your mate and you both which is possible because we know you carry them by your eye color.
This is what could meet up in traits
BrBr= brown eyes
Brbl= brown eyes
Brbl=brown eyes (again)
BlBl= blue eyes
The trait would have a 25% chance of being blue and a 75% chance of being brown. This is unaccurate having not know exactly what traits you carry, but this is also the most common that people carry. The blue eyes do happen though! So you are more likely to actually have brown eyes kids than anything (even though most babys are born with blue eyes, they change). This is also the reason two brown eyes parents can have blue eyed kids. My mom has green, my dad has brown, I have blue, my brother has grey, green, blue. We are all different and its crazy how it works.
2007-05-25 09:17:30 · answer #2 · answered by Anonymous · 0⤊ 2⤋
Not according to traditional genetics. Blue eyes is recessive, so a blue-eyed person carries only the gene for blue eyes. On diagrams, B=brown and b=blue. A brown-eyed person can be BB or Bb, but a blue-eyed person can only be bb. Two brown-eyed people may have blue-eyed kids 25% of the time, but blue-eyed people can only have blue-eyed kids. If a blue-eyed couple have a brown-eyed child, the wife had a brown-eyed lover.
2007-05-25 11:00:22 · answer #3 · answered by miyuki & kyojin 7 · 0⤊ 1⤋
If the parents of the blue eyed people had brown eyes or there were brown eye somewhere in the family line then yes. The blue eyed people could be carring the brown eye trait, and pass that on to the child.
2007-05-25 09:02:40 · answer #4 · answered by chetzel 3 · 0⤊ 1⤋
yes, brown eyes is a dominant gene in which one or both of the parents are carriers of brown eyes.....therefore, it is possible for two blue eyed people to have a brown eyed child.
2007-05-25 14:02:54 · answer #5 · answered by crissy 1 · 0⤊ 0⤋
No, it's not possible. Blue eyes require that the person have two recessive blue genes. If both parents have two recessive blue genes, the only possible outcome would be for the child to also have two recessive blue genes.
2007-05-25 09:10:49 · answer #6 · answered by Jamie 2 · 0⤊ 0⤋
YES...it is possible. I have to boys 1 with blue and one with brown eyes. Here is how it goes...Both of their fathers have blue eyes and I have brown. Dr. told me people with blue eyes can also have brown genes and visa versa.....it depends one which one each parent gives and if only one parent gives up the blue....well we all know brown dominates blue...so they will have brn eyes. My grandmother had blue eyes. Answer as to which one of you has the blue gene is a question....smile. The way my circumstances went I figure it's me being they both have blue eyes...the dads. Hope I helped
2007-05-25 09:17:21 · answer #7 · answered by presteen619 2 · 0⤊ 0⤋
No. It is not, unless there is a spontaneous mutation, or the child was actaully a chimera. The reason for this is that the gene for brown eyes is dominant and will override any genes for blue eyes. So it's almost completely impossible.
2007-05-25 09:14:35 · answer #8 · answered by Zelda Hunter 7 · 0⤊ 1⤋
NO.
Blue is a recessive gene so to have blue eyes, you need to have both blue genes. If both parents have blue eyes, there can be no brown eyed gene to pass on.
2007-05-25 09:05:13 · answer #9 · answered by Mark B 5 · 2⤊ 1⤋
In theory no. The colour blue is a ressive gene and to have blue eyes, both genes must be blue.
However I have a feeling that there is a third factor in eye colour and I am sorry i can't give you that answer.
2007-05-25 09:05:01 · answer #10 · answered by Donna A 4 · 1⤊ 0⤋