Children raised in Russian orphanages (versus those raised by their biological parents) showed chemical alterations that affected the expression of genes. This example best illustrates __________.

Question

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The chemical alterations observed in the children raised in Russian orphanages suggest that their experiences in the orphanage have affected the way their genes are expressed. This is an example of epigenetics, which refers to the study of changes in gene expression that are due to factors other than changes in the DNA sequence itself.

Children Raised in Russian Orphanages (Versus Those Raised by Their