Researchers Have Had Trouble Replicating Studies That Found a Particular

question 40

Multiple Choice

 Researchers have had trouble replicating studies that found a particular gene linked to schizophrenia. According to one recent hypothesis, ____.

• A) genes in fact have nothing to do with schizophrenia
• B) the same genes responsible for schizophrenia also produce Huntington's disease
• C) spontaneous mutations in any of hundreds of genes can cause schizophrenia
• D) most genetic researchers fail to examine the X and Y chromosomes

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Definitions:

Alzheimer's Disease

A progressive neurological disorder that causes memory loss, impaired reasoning, and changes in personality, primarily affecting older adults.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous systems that plays a key role in muscle activation and is involved in several cognitive functions.

Deficiency

The lack or insufficiency of something necessary, often used in the context of nutritional, mental, or emotional needs.

Neurogenesis

The process by which new neurons are formed in the brain, contributing to brain plasticity and possibly to aspects of learning and memory.