Nucleic acids are genetic materials 核酸是遗传物质 DNA Chromosome RNA 染色体 protein蛋白质 Which one is genetic material? 哪一个是遗传物质?Nucleic acids are genetic materials 核酸是遗传物质 Chromosome 染色体 protein蛋白质 DNA RNA Which one is genetic material? 哪一个是遗传物质？