My biology teacher said it was blue/recessice and brown/dominant, but she said that eye colour is also affected by stuff that happens in the womb, that’s why it’s not just two distinct eye colours for humankind, but a ton of variations in shades. Greens, greys, blues are inherited blue genes plus the intrauterine stuff. (She was more eloquents, but it was 20 years ago, and I’d rather not misquote her.)
That said, I googled it a few years ago, when I was pregnant, and nowadays we know that it’s multiple genes at work, and two even blue-eyed parents can have brown eyed children (though it’s very, very rare).
In short, it’s complicated. 🙂
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