This Week in Science

In Science this week, a team led by Stanford University's Carlos Bustamante report that an amino acid change causes blond hair in Solomon Islanders. Naturally blond hair is usually only found in Europe and Oceania, but in this study, the team identifies an arginine-to-cysteine change at a highly conserved residue in TYRP1 as a major determinant of the trait in people from the Solomon Islands.

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