A homozygous individual has two alleles that are the same

Agnes, who suffers from anorexia, is dangerously thin but has been steadfastly refusing to eat enough to gain weight. If Agnes could honestly explain to you why she doesn't eat, what would she probably say?

a. "I'm not hungry." b. "I don't enjoy the taste of food and it makes me sick." c. "I am intensely afraid of becoming fat." d. "I want to die."

What are the two general categories of the causes of mental retardation?

a) accidental and genetic factors b) autistic and nonautistic factors c) intentional and unintentional factors d) psychosocial and pathological factors