9781422281352

the original gene. The result of this process is a product—a substance, or pro- tein, in the body. An example is the substance that gives the eyes their color. In one person, the product is blue, so the eyes are blue. We say that the person has the gene for blue eyes. In

Eye color is determined by a certain gene. The different versions of the gene produce eyes of different colors.

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Genetic Engineering