当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。

When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.

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卵子受精之前，这种基因会产生一种蛋白质，这种蛋白质存在于卵子的细胞质中，它控制着细胞分裂的模式，从而控制着旋向性。

Before egg fertilization, the gene produces a protein, found in the cytoplasm of the egg, that controls the pattern of cell division and thus handedness.

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精子与卵子结合开始受精过程。

The sperm fuses with the egg to begin the process of fertilization.

《牛津词典》

So on the personality theory, I did not exist when that fertilized egg came into being, when the egg and the sperm joined.

所以在人格理论上，卵子受精的时候我还不存在，卵子和精子结合时。

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We started the discussion talking about the zygote or the fertilized egg.

我们是从,受精卵或者受精卵子说起的

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And that certainly wasn't true way back at the start of A, as the fertilized egg first begins to split and multiply, subdivide and make organs.

显然不是在A阶段这么早就开始的，当受精的卵子开始分裂繁殖，继续分裂，形成器官。

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