If a Fraternal Twin Develops Schizophrenia,the Likelihood of the Other

question 20

Multiple Choice

If a fraternal twin develops schizophrenia,the likelihood of the other twin developing serious mental illness is much lower than with identical twins. This suggests that

• A)schizophrenia is caused by genes.
• B)schizophrenia is influenced by genes.
• C)environment is unimportant in the development of schizophrenia.
• D)identical twins are especially vulnerable to mental disorders.

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Definitions:

Individual's Needs

The essential physiological and psychological requirements of a person that must be met for growth, well-being, and survival.

Frustration

The feeling of being upset or annoyed as a result of being unable to change or achieve something.

Higher Standard

An elevated level of quality or expectation that something or someone is measured against.

Physical Tension

A state of bodily or muscular strain often resulting from stress or exercise, which can lead to discomfort or pain.