Genetic Linkage Analysis Has Not Yet Provided the Types of Answers

question 63

Multiple Choice

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.

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Definitions:

Directs Pupil

This function, usually involving the iris muscles, regulates the amount of light entering the eye by adjusting the size of the pupil.

Shape Of Tongue

The form and structure of the tongue, which varies and is involved in taste, speech, and food manipulation.

Intrinsic

Belonging naturally; essential or inherent part of something.

Genioglossus

A muscle in the human body involved in the movement of the tongue, important for speech and swallowing.