Twin studies on sexual orientation show that
A. genes are much more influential than environmental factors in determining sexual orientation.
B. sexual orientation is determined almost completely by environmental factors.
C. a genetic link cannot be established because not enough twins will participate in this kind of research.
D. genetic and environmental influences appear about equally responsible for sexual orientation.
Answer: D
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Giovanni has been treated with vascular surgery to increase blood flow to his genitals. When that did not cure his sexual dysfunction, he was given extra hormones. Now he is a candidate for implant surgery. What disorder is he most likely to suffer from?
a. premature ejaculation c. male orgasmic disorder b. hypoactive desire disorder d. erectile dysfunction
A complication resulting from a restriction of oxygen at birth is a(n)
A. increase in blood pressure that leads to bleeding in the brain. B. decrease in blood pressure that leads to bleeding in the brain. C. lack of change in blood pressure that leads to bleeding in the brain. D. increase in body temperature that leads to bleeding in the brain.
Foreclosure status is characterized by no crisis and no commitment
a. True b. False Indicate whether the statement is true or false
An important function of taste aversion is
a. weight control. b. specie distinctiveness. c. behavior flexibility. d. survival.