Of All the Twins Who Share Identical Genes with a Schizophrenia

question 12

Multiple Choice

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

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

---

Definitions:

Predictable

Capable of being known in advance or anticipated with reasonable accuracy.

Adapts

The act of making adjustments or changes in oneself or in a system to better suit new conditions or environments.

Placid

Describes a calm, peaceful, or tranquil state or demeanor.

New York Longitudinal Study

A research project that began in the 1950s tracking the temperamental characteristics of infants and how these traits relate to personality development.