What's a physical mechanism that could lead to differences between these two cells at this very early stage of development?

什么样的生理机制导致细胞,在发育伊始就产生这些差异

耶鲁公开课 - 生物医学工程探索课程节选

When these two merges are done, we're basically at a stage in that branch where we can now merge those two together, which gives us that, and it goes through the rest of it.

拿到从那边得到的第二个子列表，这是一个基本情况,合并它，当这两个合并完成后，我们基本到了该分支阶段，这里我们可以把两个合并在一起。

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's assume that I could somehow get to the stage where I've got two sorted lists.

让我们来假设目前的情况是：,我已经有两个已排好序的列表。

麻省理工公开课 - 计算机科学及编程导论课程节选