What happens during mitosis is that the cell is able to separate this double set of chromosomes into two sets and that happens in a way that's shown in this cartoon here.

当细胞有丝分裂时,细胞将其分开形成两组染色体,如下图所示

耶鲁公开课 - 生物医学工程探索课程节选

Certain double stranded RNA sequences will cause in the cell a process of degradation of very specific RNA sequence.

一些双链RNA序列能够在细胞中开启,特定RNA序列的降解程序

耶鲁公开课 - 生物医学工程探索课程节选