Which of the following is NOT an example of an epigenetic effect? Select one: a.

Question

Which of the following is NOT an example of an epigenetic effect? Select one: a. Prolonged stress response system activation leads to changes in gray matter volume in certain limbic system structures among children exposed to frequent violence in their neighborhood b. A research study shows that there is high rate of learning disabilities (e.g, ADHD) among children whose mothers were exposed to polluted water during pregnancy c. Studies have shown that maternal stress is associated with a higher risk of developing symptoms of schizophrenia among individuals who carry genetic risk factors for the disease d. All of these are examples of epigenetic effects e. None of these examples reflect true epigenetic effects

Explanation / Answer

D) all of these are examples of epigenetic effects

Epigenetic effects imply that there are changes in the phenotype of a person without the effect of prions, but effects from the external environmental factors. This becomes a part of the normal program of development.

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