If the Concordance Rate for Alcoholism Were 50 Percent Among

question 132

Multiple Choice

 If the concordance rate for alcoholism were 50 percent among identical twins, which of the following would be true?

• A) If you inherit the gene that encodes alcoholism, you will develop alcoholism.
• B) If there is no alcoholism in your family, you will never develop a problem with alcoholism.
• C) If your father suffers from alcoholism, you will not develop the problem as long as he is not involved in raising you.
• D) If your twin struggles with alcoholism, you have an increased chance of having the same problem, but ultimately whether you do is also influenced by environmental factors.

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Definitions:

Ecological Niche

The role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

Local Environment

The specific surroundings or conditions in which a person, plant, or animal lives or operates.

Restriction

The limitation or control of someone or something, or the action of such limitation.

Community Ecology

The description and analysis of patterns and processes within the community.