The Concordance Rates in Identical Twins for Diseases Like Alzheimer

question 115

Multiple Choice

The concordance rates in identical twins for diseases like Alzheimer disease, schizophrenia, and multiple sclerosis is:

• A)100 percent.
• B)25 percent.
• C)between 90 percent and 100 percent.
• D)between 30 percent and 60 percent.

---

Definitions:

Trade Surplus

A situation where a country exports more goods and services than it imports, leading to a positive balance of trade.

Exporting

Producing goods in one country and selling them in another.

Joint Venture

Formed when a firm entering a new market pools its resources with those of a local firm to form a new company in which ownership, control, and profits are shared.

Purchasing Power Parity

An economic theory that compares different countries' currencies through a "basket of goods" approach to assess their purchasing power equivalency.