The primary motivating emotion a person with anorexia experiences is:

Fear is the motivating emotion that a person with anorexia experience. Anorexia Nervosa is a syndrome where in the person thinks that she is fat and the person fears of becoming fat. People that experienced this syndrome are called anorexic. In order for the anorexic to become thin, they tend to purge their mouth to make them vomit. Some drink laxatives in a wrong manner to remove the fat inside them. 

answer; genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes;

the answer is it ussually drops give brainliest