Which Statement BEST Reflects the Findings of Twin Studies Evaluating

question 213

Multiple Choice

Which statement BEST reflects the findings of twin studies evaluating genetic factors associated with schizophrenia?

• A) If one twin has schizophrenia, the other twin-if male-has a significantly increased risk of developing schizophrenia.
• B) Identical twins are almost five times as likely to develop schizophrenia as are fraternal twins.
• C) If one twin has schizophrenia, there is a significantly increased risk of schizophrenia developing in the other twin, for both identical and fraternal twins.
• D) If one twin has schizophrenia, there is an increased risk of schizophrenia developing in the other twin, with a substantially higher risk for identical twins.

---

Definitions:

Double Marginalization

A pricing issue that occurs when two or more entities in the same supply chain add their markup, leading to higher prices for the end consumer.

Retail Price

The price at which a product is sold to the public, usually after including costs of production, distribution, and a markup for profit.

Ensure Freshness

Measures or practices used to maintain the quality and safety of perishable products.

Refrigerator

An electrical appliance used for keeping food and drinks cold, playing a crucial role in modern food preservation and safety.