对食品中基因的轻微的变更并不会让食品有毒或有危害性。

Changing a few genes here and there does not make a crop toxic or dangerous.

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通过遗传研究我们已经知道，基因调控方式的微小变更会在短时间内导致解剖学上的重大改变。

We now know from genetic studies that small alterations in the regulation of genes can have major anatomical consequences in a short amount of time.

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这使对染色体的突变更易受影响，因为任何受损基因都没有双胞胎来掩盖。

This makes them vulnerable to mutations on that chromosome, because any damaged genes have no twin to cover for them.

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