Natural Blonde Wikimedia Commons Dutch scientists have come up with a DNA test that can determine a person's natural hair color, using no more than a drop of blood or saliva. They say their method can predict hair color with up to 90 percent accuracy, helping forensic investigators identify an unknown person's characteristics. Apparently these guys are unfamiliar with hair dye. Still, the study is an improvement over current hair color-determination tests - previously, only red hair, which is rare, could be determined from DNA. Researchers at Erasmus MC in the Netherlands used DNA and hair color information from hundreds of Europeans, and studied genes known to influence hair color. Ultimately, they identified 13 DNA markers on 11 genes that can serve as hair color predictors. They could determine whether someone had red or black hair with 90 percent accuracy, and brown or blond hair with 80 percent accuracy. The method...
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