what percentage of someones genetic background may contribute to alcohol dependency?\n25%\n50%\n75%\n100%

what percentage of someones genetic background may contribute to alcohol dependency?\n25%\n50%\n75%\n100%
Answer
Brief Explanations:
Research in the field of medicine and health shows that genetic factors play a significant role in alcohol - dependency. Studies estimate that approximately 50% of the vulnerability to alcohol - dependency can be attributed to genetic background.
Answer:
B. 50%