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.
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.
当一个精子和一个卵子结合时受孕就发生了。
她的卵子已经采集下来,冷冻后以备她将来使用。
She had her eggs harvested and frozen for her own future use.
在实验中,右旋卵子的细胞质注射改变了左旋卵子的形态,但是左旋卵子的细胞质注射不会影响到右旋卵子。
In experiments, an injection of cytoplasm from dextral eggs changes the pattern of sinisterly eggs, but an injection from sinisterly eggs does not influence dextral eggs.
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.
在实验中,用取自右旋卵子的细胞质进行的注射,可改变左旋卵子的模式;用取自左旋卵子的细胞质进行的注射却不能影响到右旋卵子。
In experiments, an injection of cytoplasm from dextral eggs changes the pattern of sinistral eggs, but an injection from sinistral eggs does not influence dextral eggs.
在实验中,用取自右旋卵子的细胞质进行的注射,可改变左旋卵子的模式;用取自左旋卵子的细胞质进行的注射却不能影响到右旋卵子。
In experiments, an injection of cytoplasm from dextral eggs changes the pattern of sinistral eggs, but an injection from sinistral eggs does not influence dextral eggs.
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