It's now known that environmental factors influence which of the many genes we inherit are "expressed," meaning actually switched on, or activated.

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This statement is true. Environmental factors can influence the activation or expression of genes that we inherit. This is known as epigenetics, which refers to changes in gene activity without altering the underlying DNA sequence. Examples of environmental factors that can influence gene expression include diet, exercise, exposure to toxins, stress, and social interactions.

It's Now Known That Environmental Factors Influence Which of the Many