Which of the following statements is true about the relationship between genes and longevity?
A. Genes are solely responsible for all variations in longevity.
B. Environmental factors such as diet and exercise have no influence on gene activity.
C. Male Japanese Americans carry a gene mutation that reduces the risk of cancer.
D. The Old Order Amish community have a gene mutation that increases fat in the blood.
Answer: C
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Family systems theorists point out that a family needs to know "who is in and who is outside the family."
a. True b. False Indicate whether the statement is true or false
What is the term used by sociologists to describe individuals' awareness that they share commonalities with certain others?
a. consciousness of kind b. outgroup feelings c. cultural relativism d. homogeneity
Personal records tend to have easier access than physical traces
a. True b. False Indicate whether the statement is true or false
In 2008 it was reported that the incidence of new HIV infections associated with intravenous drug use had declined by 80 percent in the past 20 years. According to the text, which of these factors led to this decrease?
A. Sexual abstinence education B. Decreased use of hormonal contraceptives C. Increased Narcotics Anonymous attendance D. Syringe exchange programs