Julianna is a nine-year-old child diagnosed with attention deficit hyperactivity disorder. her mother was a chain smoker even after julianna was conceived. which of the following factors is chiefly responsible for her condition? a. julianna has one form of a dopamine gene but not the other. b. julianna has abnormal brain growth rate. c. julianna consumed excess amounts of sugar as an infant. d. julianna inherited both forms of a dopamine gene from her mother. e. julianna has one form of a dopamine gene but not the other

Danilo has been working for metropolitan taxi for three months. he expected that his job would be to drive around the city, pick up fares, and drop them off at their desired locations, but in his first few days on the job he realized that the job entails much more. he must keep his taxi cab clean and neat, and some days he will be stationed at the shop and go to people's houses to pick them up and bring them to the local airport. within a few months, he has learned that taxi drivers often express frustration with the people they call "civilians"—that is, non–taxi drivers, whose driving skills they complain about incessantly. in his first few months on the job, describes what danilo is undergoing.