- 问题详情:DNA(Deoxyribonucleicacid)isoneofthemostimportantdiscoveriesinscience.DNAistheplanforthehumanbeing,asablueprintistheplanforbuilding.DNAmakesapersonlookthewayhedoes.Aperson’sDNAcomesfromamixingofhisparents’DNA.That’swhyachildlookslikehisparents...
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