Question

what percentage of someone’s genetic background may contribute to alcohol dependency?
○ 25%
○ 50%
○ 75%
○ 100%

Explanation:

In the context of alcohol dependency, research in the field of Medicine and Health (a subfield of Natural Science) indicates that genetic factors can contribute approximately 50% to the risk of alcohol dependency, with environmental and other factors contributing the remaining portion.

Answer:

B. 50%