________ is the study of heritable changes in the expression of genes without changes in the gene sequence.
A. Epigenetics
B. Molecular biology
C. Molecular cloning
D. Genetic engineering
Answer: A
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According to a sleep-deprivation study on sled dog racers described in your textbook, what amount of sleep did racers have who experienced vivid hallucinations?
A. 1 hour B. 2 hours C. 3-4 hours D. 7 hours
The occipital lobe is involved in processing visual information.
Answer the following statement true (T) or false (F)
Of the following attributes, which one has the highest heritability score?
A. spatial ability B. overall intelligence C. memory D. extraversion
A control group or a control condition is included in an experiment in order to
a. evaluate experimenter effects and demand effects. b. provide a baseline against which the variable of interest can be compared. c. prevent ceiling or floor effects. d. increase the generalizability of the results.