The Concordance Rate for a Certain Trait Refers to The

question 81

Multiple Choice

The concordance rate for a certain trait refers to the:

• A) degree of similarity between a pair of twins for that trait.
• B) number of genes involved in determining variation in the trait among individuals.
• C) extent to which variations in the trait among a large group of individuals can be attributed to heredity.
• D) relative influence of environmental and biological factors on the trait.

---

Definitions:

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by inappropriate methods of weight control, such as vomiting or excessive exercise.

Caucasians

A term historically used to refer to people of European descent, though it is considered outdated and imprecise in describing ethnic or racial identities.

Anorexia Nervosa

An eating disorder characterized by an obsessive fear of gaining weight and a refusal to maintain a healthy body weight.

Partial-syndrome Eating Disorders

A category of eating disorders that do not fully meet the criteria for anorexia nervosa or bulimia nervosa but still pose significant health risks and distress.