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looks at where DNA is found, similarities in the DNA of humans and other species, and how traits are inherited from one generation to the next. Learn how DNA (deoxyribonucleic acid), discovered 50 years ago, is used today to detect diseases, improve crops, and catch criminals. (National Academy of Sciences)
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The science of identifying individuals using DNA sequences is very clear, and the probability of scientific error is extremely small. As a result, DNA evidence has been used to help identify perpetrators of crimes and to exonerate innocent people before they become suspects. |
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Two copies of each |
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