I have two different coloured eyes, one brown, one green. Does anyone know the odds of this happening?

I have two different coloured eyes, one brown, one green. Does anyone know the odds of this happening?
My grandpa had one brown eye and one eye that was half green and half brown. I THINK that is so cool. THATs rare. YOUR SOOOOO special too.
not very high in human, but i know a lot of animals get this. not saying you are an animal or anything. but thats cool! so when things ask for eye color, what do you put?
My granddaughter has one brown eye and one blue eye. Not sure what the odds are but her mom has blue eyes and her dad has brown eyes. I think her eyes are not only unusual but beautiful as well. She is an amazing child!
probably not very high lol i think that that is cool, probably a genetic mutation (not that its bad lol) and it caused the eye colors given by the parents to be incompletely dominant resulting in two different eye colors
I had a school friend like that. At the time (about 50 years ago) it was thought to be about 1 in a million. Blood tests to determine your blood group will probably not help you to prove your parentage. As I recall having this condition makes the normal blood tests for parentage invalid.