The_Face_of_Boo wrote:
Most real blonds have blue eyes, there seems to be a genetic link.
When I spot a blonde with dark eyes....I usually bet it's dyed.
Blond(e) and ginger hair is recessive, as are blue and green eyes. Certain physical traits typically cluster together. For example, freckles are related to the genes responsible for ginger hair. Even if it does not physically manifest (i.e. you do not have ginger hair) if you have freckles then you are hosting the genes for ginger hair and somewhere down your bloodline (that is, if it doesn't end) this trait (red hair) will likely crop up.
Recessive traits typically cluster (blond(e) hair with blue eyes). Interestingly, if there is a combination of dominant and recessive (dark hair and blue / green eyes or blonde and brown eyes) then the colours are likely to change gradually and fade into similar hues. For example, I am a natural blonde with brown eyes. I inherited a dominant trait (my eye colour) and a recessive (my hair colour). As a child, my hair was a bright blonde and I had fairly dark reddish brown eyes. However, as I aged, my hair became darker- now it is a golden colour with reddish tones (a dark strawberry blonde) and my eyes are much lighter (a light faded brown, the colour is very similar to the brown elements of my hair).
As for someone with blue eyes and brown / black hair; their eyes are likely to become a darker blue or grey and their hair may become a lighter shade. The colours usually end up somewhat meeting halfway / complimenting each other / the contrast is decreased over time.
I inherited my mother's eye colour but her eyes appear darker than mine. She is a natural brunette with brown eyes. Although we share this same trait (brown eyes), the way it ended up presenting in me differed because of the particular combination of traits I have.
So blonde(s) with brown eyes can indeed exist naturally. Typically, a fairly reliable way to tell if hair is dyed is to check a person's eyebrows. Usually with natural blond(e)s, their eyebrows are also blond(e). Eyelashes can also be an indicator. The top of my eyelashes are blonde from the eyelid (fading to black) and the bottom sides are fully black. Of course, respect personal space. A natural brown eyed blond(e) in adolescence and adulthood is also much more likely to have a darker shade of blond(e) rather than a bright blonde or an almost white blonde.
Disclaimer: I'm not expert, but this is my understanding of the subject. Feel free to correct me if I'm wrong.
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Last edited by Lost_dragon on 28 Sep 2020, 1:01 pm, edited 3 times in total.