Each person is different, and each, except an identical twin, has unique DNA differences. These differences can be traced across global populations and ethnic groups. Furthermore, recent research provides interesting insight about the approximate time that these DNA differences entered the human race.

Solomon Islanders have very dark skin. Most also have dark hair, but about one in ten of them have strikingly blond hair. How is this blond trait inherited, and do the people of the Solomon Islands inherit it the same way that other blond populations do?