DNAisasubstancethatmakesupgenes．Everythingalivehasgenes...
問題詳情：DNAisasubstancethatmakesupgenes．Everythingalivehasgenes.Plantshavegenes.Animalshavegenes.Youhavegenes.Genesarethebasicunitsofheredity.Hereditymeansallthecharacteristicsyouinheritfromyourparents...