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Discovery
Computer Program Reveals Anyone's Ancestry
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This plot of genetic markers shows 255 individuals from four continental regions. Red and green represent identical genotypes; black represents genotypic variations. Notice the distinct patterns formed in the four continental blocks, highlighting the genetic similarities between people of the same ancestry.
Credit: Democritus University of Thrace/Peristera Paschou |
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Although the human genome is 99 percent the same from human to human, it is that one percent that can have a major impact on our response to diseases, viruses, medications and toxins. If researchers can uncover the minute genetic details that set each of us apart, biomedical research and treatments can be better customized for each individual.
Credit: James J. Caras, National Science Foundation |
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Each person's DNA is unique, but DNA from people with common ancestors have common characteristics that can be identified.
Credit: © Estate of Rachel Tanur |
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DNA is passed along from parents to their children; each of our genetic codes is different, yet inextricably linked to each other and to the past.
Credit: Dana Cruikshank, National Science Foundation |
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