Chloe's mother and grandmother have both struggled with alcohol addiction. Chloe is curious about the research into the DRD2 A1 allele. She wonders if her family defective version of this gene. If so, how might this relate to her family's history of alcoholism?

OA. Her family's genetics might predispose them to low serotonin, causing them to become easily addicted to substances behavior.

OB. Her family's genetics might predispose them to high levels of serotonin, causing anxiety that is only quieted by alcohol.

OC. Her family's genetics might predispose them to high levels of dopamine, causing hyperactivity that they try to numb with alcohol.

OD Her family's genetics might predispose them to low levels of dopamine, causing them to seek out alcohol to create feelings of well. heing

Adefendant charged with driving while intoxicated pleaded not guilty and insisted on a trial. right before the trial began, he fired his attorney and decided to defend himself. at one point during opening arguments, the defendant began to act like a cat, meowing and chasing an imaginary squirrel out of the courtroom. if no one else raises the issue of the defendant's competency to stand trial, what is the responsibility of the trial judge here? a) the trial judge has no responsibility, because the defendant decided to defend himself. b) the trial judge has no responsibility, because she cannot decide whether the defendant is competent to stand trial. c) the trial judge must raise the issue of competency, because the defendant is representinghimself.d) the trial judge must raise the issue of competency, because the constitution obligates her to do.