Which of the following would be considered the most highly canalized trait at birth?

You are convinced that your grandmother has Alzheimer's. How can your doctor confirm your diagnosis?

a. By conducting a blood test b. By determining if she has enlarged ventricles that indicate brain atrophy c. By looking to see if she has a decrease in frontal lobe function d. By ruling out all other potential causes of dementia

Huntington's disease involves uncontrollable movements of the limbs

Indicate whether the statement is true or false.