Question: Why are some babies born blonde?

Why are some babies born with dark hair that turns blonde?

Brunettes Can Give Birth To Blondes

If he carries only brown alleles, he can only pass on brown alleles, and they’ll dominate causing his child to have brown hair. … If both parents are brunette, they can only have a blonde child if they both carry the recessive blonde trait.

Which parent determines hair color?

Is Hair Color Inherited from Mother or Father? Hair color comes from both parents through the chromosomes passed onto their child. The 46 chromosomes (23 from each parent) have genes made up of DNA with instructions of what traits a child will inherit.

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