Some traits are more influenced by genetic factors than other traits, as reflected in the correlations between the traits of identical twins raised apart. Which one of the following series of traits is arranged from most to least heritable?
a. Height, brain activity, IQ scores, creativity
b. Brain activity, height, creativity, IQ scores
c. Brain activity, IQ scores, height, creativity
d. Height, creativity, IQ scores, brain activity
Question 2If one or both biological parents have schizophrenia, we can conclude that their child will
a. not develop the disorder as long as he or she is raised in a separate environment.
b. definitely develop the disorder regardless of the environment.
c. have a greater than average risk of developing the disorder in response to an environmental trigger.
d. develop the disorder at a much younger age than another child who develops the disorder but has no family history of schizophrenia.
Question 3Which statement concerning schizophrenia is FALSE?
a. It involves disturbed thinking and emotional expression.
b. It has a concordance rate of about 98 percent for identical twins.
c. It typically emerges in late adolescence or early adulthood.
d. It has not shown to be caused by cold and inconsistent parenting.
Question 4Which statement is true regarding the effects of genes and environment on temperament and personality?
a. Genes contribute little to no individual differences in temperament.
b. Genes account for nearly all of the individual differences in temperament.
c. Nonshared environmental influences contribute nothing to individual differences in temperament.
d. The shared environment of the home does not appear to make siblings more similar in temperament or personality.
Question 5Which term is best defined as an infant's tendency to respond in predictable ways?
a. Genotype
b. Temperament
c. Codominance
d. Crossing over
Question 6Which environmental factor appears to have the greatest positive impact on the IQs of children?
a. Having biological parents with very high IQs
b. Having adoptive parents with very high IQs
c. Being raised in a highly stimulating environment
d. Being raised in a highly passive environment
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