Mark has always been easily angered and tends to behave aggressively when provoked.According to genetic markers,other than being male,Mark may have

Question

Quizplus · Accepted Answer

Low MAOA gene expression has been linked to increased aggression and impulsive behavior in individuals, particularly in males. The warrior gene (MAO-A gene) has also been associated with aggressive behavior, but an overabundance of this gene is not one of the options provided. A missing MAOA gene (choice B) would result in a condition known as Brunner syndrome, which is associated with behavioral issues and intellectual disability, but this condition is much more rare and severe than simply having low MAOA gene expression. High MAOA gene expression (choice C) has been linked to lower levels of aggression, so this would not be a likely explanation for Mark's aggressive behavior.

Mark Has Always Been Easily Angered and Tends to Behave