Evidence from Twin and Adoption Studies Have Consistently Shown That

question 19

Multiple Choice

Evidence from twin and adoption studies have consistently shown that:

• A)environment plays a moderate to strong role in explaining substance use
• B)genetics play a moderate to strong role in explaining substance use
• C)parental upbringing is the strongest predictor of substance use
• D)genetics do not contribute at all to substance use

---

Definitions:

Language Development

The method through which children learn to comprehend and express language in their early years.

Visual Preference

Tendency of infants to spend more time looking at one sight than another.

Visual Distinctions

The ability to differentiate or distinguish objects based on visual input, such as shape, color, or size.

Vision Loss

A decrease in the ability to see to a degree that causes problems not fixable by usual means, such as glasses.