The Observation That Schizophrenia Is Associated with Duplications of a Certain

question 24

Multiple Choice

The observation that schizophrenia is associated with duplications of a certain copy number variant (CNV) ,while autism spectrum disorders are associated with deletions of the same CNV,suggests that _____.

• A) CNV mutations are present in all psychiatric disorders
• B) both disorders have identical phenotypes
• C) both disorders have an environmental component
• D) both disorders share common developmental pathways 
• E) neither disorder has a genetic component

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Definitions:

Postsynaptic Membrane

The region of a synapse that receives and responds to neurotransmitter signals from a presynaptic cell.

Transmitter Metabolism

The process by which neurotransmitters are synthesized, released, and broken down by the body.

Fetal Alcohol Spectrum Disorder

A range of effects that can occur in an individual whose mother drank alcohol during pregnancy, including physical, behavioral, and learning problems.

Spacing Between Eyes

The distance between the eyes, which is important for binocular vision and depth perception.