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1. The researchers found that the identical substitution of one amino acid could affect the protein's function.
研究人员发现，一种氨基酸的等价置换会影响蛋白质的功能。
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2. In genetics, identical substitutions can lead to mutations that can be passed on to future generations.
在遗传学中，同源替换可能导致可以传递给后代的突变。
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3. The scientists conducted experiments to understand how identical substitutions in DNA can influence theorganism's development.
科学家们进行了实验，以了解DNA中的同源替换如何影响生物体的发展。