To determine the percentage of someone's genetic background that may contribute to alcohol dependency, it's important to consider the influences of both genetic and environmental factors on this condition. Extensive research in the field of genetics and behavior has shown that genetics can play a significant role in determining an individual's susceptibility to alcohol dependency.
Based on the available data from numerous studies and scientific consensus on this topic, it has been established that genetic factors account for a substantial portion of the risk.
Given the options:
- [tex]$25 \%$[/tex]
- [tex]$50 \%$[/tex]
- [tex]$75 \%$[/tex]
- [tex]$100 \%$[/tex]
The correct answer is [tex]$50 \%$[/tex]. This number represents a significant genetic contribution, indicating that about half of the risk for developing alcohol dependency can be attributed to genetic factors, while the other half is influenced by various environmental factors, such as personal life experiences, social interactions, and cultural contexts.
Therefore, the percentage of someone's genetic background that may contribute to alcohol dependency is:
[tex]$50 \%$[/tex].
