DNAisasubstancethatmakesupgenes．Everythingalivehasgenes...
问题详情：DNAisasubstancethatmakesupgenes．Everythingalivehasgenes.Plantshavegenes.Animalshavegenes.Youhavegenes.Genesarethebasicunitsofheredity.Hereditymeansallthecharacteristicsyouinheritfromyourparents...