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Millennium Orchid Project

Li Angao Xiaohua

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Monterey, United States "Most of the DNA of organisms does not form useful genes to participate in encoding proteins. Biologists once believed that encoding proteins was the only function of DNA. Therefore, DNA that cannot encode proteins was named junk DNA in the past. The proportion of junk DNA carried by organisms accounts for all DNA, and with the As the complexity of organisms increases. Ninety-seven percent of human DNA is junk DNA." Lu Youdang glanced at the full audience in the lecture hall and continued in less fluent English: "Biologists have gradually discovered that there is a positive correlation between the proportion of junk DNA in organisms and the complexity of organisms.