With respect to genetic determinants of mental disorders, a polygenic effect is one in which:
A) a single gene is associated with a mental disorder.
B) multiple genes interact to produce a mental disorder.
C) a single allele variation interacts with the environment to produce a mental disorder.
D) a single gene is associated with multiple mental disorders.
B) multiple genes interact to produce a mental disorder.
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As defined in the text, social acceptance is the opposite of ____
a. social exclusion b. loneliness c. independence d. attraction
Which scenario best illustrates the concept of adaptation?
a. Plant “A” produces either large fruit or small fruit; farmers breed only the large fruit plants, causing them to outnumber the small fruit variant. b. Plant “B” has a rare waxy leaf variant; as the environment becomes more arid, the waxy leaf variant becomes more prevalent. c. Plant “C” has a genetic mutation that creates a taller variant; this variant is able to survive and reproduce. d. Plant “D” has a recessive allele that causes a higher rate of photosynthesis; plants with this phenotype have a higher energy reserve.
Which of the following is the best example of a perceptual process?
a. Hearing a sound in the room b. Detecting that a light has been turned on in a dark room c. Sensing that someone has touched your arm d. Realizing that the odor you smell is vanilla
If the penis curves to the left or right or points downward during an erection, the person should report this to his doctor
a. True b. False Indicate whether the statement is true or false