But before doing that, I just briefly want to remind you about what you already know: that our genomes, our genetic material, are stored in almost all cells in our bodies in chromosomes in the form of DNA, which is this famous double-helical molecule.
在此之前 我先简短回顾一下你们已有的知识 我们的基因组 基因物质 几乎存在于人体所有细胞的染色体中 由脱氧核糖核酸构成 呈双螺旋分子结构