Monozygotic Twin Concordance Values Are Less Than 100% in Both

question 41

Multiple Choice

Monozygotic twin concordance values are less than 100% in both bipolar disorder and schizophrenia.This suggests that these disorders ____.

• A) are strictly polygenic
• B) have environmental components
• C) are X-linked
• D) genetically dominant 
• E) are not genetically based

---

Definitions:

Ahead Planning

The process of setting goals and determining the actions required to achieve them in the future.

Expert Systems

computer systems that emulate the decision-making ability of a human expert, designed to solve complex problems by reasoning through bodies of knowledge.

Expert Algorithms

Specialized computational procedures designed by experts for efficient problem solving in specific domains.

Expert Heuristics

Decision-making shortcuts or rules of thumb used by individuals who have a high level of expertise in a particular area.