Regarding the mechanisms of heredity, which of the following statements is FALSE?
a. Most of our characteristics are controlled by single genes.
b. Heredity determines eye color, skin color, and susceptibility to some diseases.
c. Genes can switch on or off at certain ages or developmental stages.
d. Genetic instructions influence intelligence, personality traits, and sexual orientation.
ANSWER: a
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Which of these is the best way to ask about the roles of heredity and environment? a. Which is more important in general, heredity or environment?
b. Which is more important for one behavior, heredity or environment? c. Do differences in one behavior depend more on differences in heredity or environment? d. Which behaviors depend on heredity and which ones depend on environment?
Meta-analysis combines data from a number of related studies instead of assessing each study's results separately
Indicate whether this statement is true or false.
The Native American Church includes aspects of Christianity and uses __________ as a sacrament
A. LSD B. peyote C. Cohoba snuff D. coca leaves
Why is a genetic explanation for altruism problematic?
A. Only non-human animals exhibit altruistic behaviors. B. Altruistic behaviors rarely benefit the individual performing them. C. Altruism is more common among the young than among adults. D. No behavior has been linked to any genes.