Mendel is most famous for his study of the genetics of
a. cattle.
b. human savants.
c. peas.
d. roses.
Question 2Research suggests that the heritability of personality traits ranges from ____ to ____.
a. 00; .80
b. .20; .60
c. .40; .60
d. .60; .80
Question 3In the summary chart of Twin, Family, and Adopting Correlations for Neuroticism and Extraversion, the second highest correlation for Neuroticism was found in the case of
a. identical twins reared apart.
b. fraternal twins reared together.
c. fraternal twins reared apart.
d. adoptive parents and offspring.
Question 4Which of the following relationships between two variables can be proven by a correlational study?
a. Variable A causes variable B.
b. Variable B causes variable A.
c. A third variable (C) causes both variable A and B.
d. None of the above can be proven by a correlational study.
Question 5In the analysis of heritability, one potential problem in the double-the-difference method is that it assumes that twins
a. do not differentially interact with each other.
b. are the same sex.
c. are genetically identical.
d. are reared under equal environments.
Question 6According to the textbook, the best characterization of the nature-nurture issue is that nature and nurture _______________. That is, genes and environment can work separately, together, or they may influence one another.
a. cooperate
b. transact
c. compete
d. interact
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