Which of the following statements is true about the relationship between alcoholism and genetics? a. alcoholism is strongly tied to genetics, and children of alcoholics are more likely to become alcoholics themselves. b. alcoholism is considered a hereditary disease that causes children to have several brain-related diseases. c. alcoholism is often called a hereditary disease, yet children of alcoholics have a higher resistance to alcoholism. d. although alcoholism is tied to genetics, children of alcoholics rarely develop problems with alcohol earlier than their peers.