Although single gene pairs sometimes play a crucial role in development, more commonly the influence of genes is a consequence of __________, the interaction of multiple genes rather than just one
a) polygenic inheritance
b) incomplete dominance
c) dominant–recessive inheritance
d) phenotypes
Answer: a
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George has been diagnosed with cancer but is certain that he will get better. George is a(n) __________, which has been shown to increase recovery from illness.
A. idealist B. optimist C. Type A personality D. survivor
The greatest weakness of the systems theory of development is that it
a. places too great an emphasis on genes. b. shows no appreciation for development during adulthood. c. fails to provide a coherent picture of development. d. views conscious factors as being as influential as unconscious factors.
The chi-square tests are used to analyze ______.
A. medians B. skewness C. continuous variables D. frequency of data
Nearness is the tendency _________________
a) to perceive objects, or figures, on some background b) to complete figures that are incomplete c) to perceive objects that are close to each other as part of the same grouping d) to perceive things with a continuous pattern rather than with a complex, broken-up pattern