Genetic linkage analysis has not yet provided the types of answers scientists hope for in terms of understanding the specific genetic causes of psychopathology. The most likely reason that this type of analysis has not been as promising as hoped is that the genetic influences of psychopathology are
A) impossible to understand until the entire human genome is sequenced.
B) difficult to understand with the limited statistical models available.
C) based on more than single gene defects.
D) insignificant in comparison to the power of the environment.

Question

Quizplus · Accepted Answer

Genetic linkage analysis focuses on identifying specific genes or regions on a chromosome that are associated with a particular trait or disorder. However, many psychiatric disorders are likely caused by multiple genes working together, as well as environmental factors. Therefore, single gene defects may not fully explain the genetic influences of psychopathology.

Genetic Linkage Analysis Has Not Yet Provided the Types of Answers