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.
d
You might also like to view...
Which illegal substance, when used by pregnant women, produces an intense restriction of the arteries, causing a significant reduction in the flow of blood and oxygen to the fetus?
A. cocaine B. LSD C. thalidomide D. amphetamines
The external sex organs for females is called the vulva
A. True B. False
The belief in the four humors as a means of explaining temperament
A) has yet to be disproven. B) is inconsistent with a biological explanation for mental illness. C) proposed that mental disorders were the result of an imbalance. D) provides that first indication that ancient people recognized the significance of the brain in determining behavior.
Approximately how many deaths in the United States each year are a result of Alzheimer's disease?
A. 150,000 B. 100,000 C. 75,000 D. 50,000