Of All the Twins Who Share Identical Genes with a Person

question 40

Multiple Choice

Of all the twins who share identical genes with a person who has schizophrenia,about ________ do not themselves develop schizophrenia.

• A) one-fifth
• B) one-fourth
• C) one-third
• D) one-half

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Definitions:

Preoperational

A stage in Jean Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by symbolic thinking, egocentrism, and difficulty understanding abstract concepts.

Concrete Operational

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events.

Formal Operational

The final stage in Piaget's theory of cognitive development, beginning around age 11, where individuals gain the ability to think abstractly and logically about hypothetical situations.

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in complex behaviors such as planning, decision making, and moderating social behavior.