One way is taking the cell from a fertilized ovum.

一种方法是从受精卵中取出细胞。

The rest of the procedure is the same as the procedure using the cell from a fertilized ovum.

剩下的步骤同细胞从受精卵中获得细胞的步骤一样。

Our genes "program" us the instant the fertilized ovum is formed, and our potentialities are limited by that "program.

受精卵一形成，基因就给我们编好了“程序”，我们的潜能就要受到这个“程序”的限制。

Our genes program us instantly when the fertilized ovum is formed, and our potentialities are virtually limited by that "program".

受精卵一旦形成，基因就给我们编制“程序”，我们的潜能根本上受到这个“程序”的限制。