How is it possible to have a green eyed baby when the parents have blue eyes?

My mom has green eyes and both of her parents have vivid blue eyes. My dad has brown eyes and I have blue eyes, and I understand that far. But how is it possible for my mom to have greeen eyes?? They don't even have a trace of blue!How is it possible to have a green eyed baby when the parents have blue eyes?
it could have come from ancestors of yours..... you could both have the recessive gene for that color, but the dominant of another.How is it possible to have a green eyed baby when the parents have blue eyes?
She might have been adopted and her mom may have fooled around. A far more likely explanation is genes. Sometime im biology, most people learn that we have two genes for hair color (brown and blond) and two for eye color (blue and brown). Brown is the dominant gene in both cases. There are more genes than that. brown/blond and blue/brown will explain most Europeans' hair and eye color. ';Blue'; covers a range, from the pale blue you see in Swedes, through grey, purple and dark blue to ';hazel';. ';Brown'; goes from hazel to light brown to the dark, almost black in Asians and Africans. ';Blond'; can mean almost white ';corn silk';, sandy blond, strawberry blond or ash blond. (There is a whole rainbow of natural-looking colors in my drug store's hair dye section.) Redheads don't fit blond/brown either.





I'd bet somewhere in your mom's ancestry is a green-eyed person.
Recessive genes, member those from biology? That's all it is. My mother and I are the only 2 people in our family to have green eyes. My mother's side of the family has either blue or brown eyes (irish and italian), and then my father's has all blue. So by all rights I should have blue eyes, but mine are a blessing, because it just gives me a little bit of my mother. In my mother's case, it made her like no one else in her family (not such a bad thing).
One or both could be carrying that gene. That can go way way back from ancestors.
recessive genes...maybe a grandparent or sibling or relative of the parents have differner colored eyes??
There is only one absolute in genetics. Two blue-eyed people can only produce a blue-eyed child. Blue eyes ARE the recessive gene. The only way a green-eyed child can come from that union is if one of the parents doesn't have true blue eyes (like Elizabeth Taylor's violet blue eyes or someone with more of an aqua eye) or if one isn't really the parent of that child.





My great-grandfather was 6' tall with thick russet hair and jet black eyes. His parents were both under 5' tall with blonde-hair and blue eyes. Any guesses on who the daddy was in 1854? Turned out grandpa was part Huron and his daddy had an affair with a native woman in Ontario and kept all four of the kids he had with her. No amount of equivocating by my aunt could change the genetic reality of her grandfather's parentage. It also helped that her son is a doctor and looked at her and told her I was right and to let it go :D
Green is dominant over blue; brown is dominate over both colors.





However, in humans there are at least three genes involved in eye color and they are on several chromosomes. Those genes come in flavors called alleles and it is the combination of alleles that determine eye color.





What we are taught in school explains the typical patterns of inheritance for brown, green and blue eye colors but there is a lot that is still unexplained -- like grey, hazel and multiple shaded eyes.





See the bottom section on the linked page ';Eye color is more complex than two genes';





I'd bet that scientist will discover all traits like eye color, hair color and texture, etc. are determined by multiple genes.
Our genes includes the genes of all ancestors going back forever.





The egg that happened to get fertilized and the sperm that fertilized it could have had eye-color genes from 20 generations back.





One of those was for green eyes.





It isn't just your grandparents that are relevant, but could have come from a great-great-great- ... grand.
Me and my husband both have blue eyes, when my son was born he had green eyes. Then when my daughter was born she had blue eyes. So where did the green eyes come from?
well, do you know the color of your great grandparents eyes? there is something called a dormant gene. its when a gene is passed down from one generation, and does not show up. In simpler terms: your great grandparents have blue eyes, but their parents could have had green eyes. The dormant gene would then come out in the second generation and therefore causing your mother to have green eyes.