Board Thread:Theories/@comment-124.106.131.67-20160402184737/@comment-27441457-20160418193229

181.188.125.6 wrote: True actually. If their parents have different hair colors, the children can have either one. Siblings don't have to have the same hair color at all. There's also the possibility of recessive genes. Even if both parents had brown hair, a child could have blonde hair if the genetics are right for it.