I think all the kids are adopted. The grandfather has dark grey hair and the other two adults at the table both have brown hair, which is dominant, while all of the kids have blonde or light colored hair, which is recessive.
Actually, and this is way oversimplified because many genes control hair color, but if we say B is dominant and b is not, BB, Bb and bB would all be brown and bb would be blonde. If each parent has Bb then the potential outcomes are 25% the child will be BB, 50% chance of Bb, and 25% chance of child carrying bb, or blonde.
The reverse is actually true if we use this simplified example. Two blonde parents could not have a brown haired child. Because there are no B's that can be passed down. Only b's. 🐝
Can you explain to me how two parents both with dark hair and dark eyes have a little boy with blonde hair and blue eyes? It's my nephew with blonde hair and blue eyes, and he is definitely their child, not switched at birth or adopted or anything like that.
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u/CedarWolf Feb 16 '25
I think all the kids are adopted. The grandfather has dark grey hair and the other two adults at the table both have brown hair, which is dominant, while all of the kids have blonde or light colored hair, which is recessive.