The term "polygenic inheritance" refers to which of the following?
a. a trait that is determined by a single gene pair
b. the idea that half of our genes come from each of our parents
c. a trait that is present in the individual's phenotype
d. a trait caused by an interaction of several genes or gene pairs
d
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Having learned something you can't remember is
a. not possible. b. an example of inadequate storage. c. an example of implicit memory. d. an example of sensory memory.
Hector is hypervigilant, is having difficulty sleeping and concentrating, easily becomes irritable and has outbursts of anger. He is most likely experiencing which of the following common features of traumatic stress disorders?
a. Avoidance behavior b. Re-experiencing the trauma c. Emotional distress and impaired functioning d. Heightened arousal
A multigenerational kinship unit consisting of parents, children, grandparents, aunts, uncles, and cousins is called a(n) ________ family.
A. nonnormative B. extended C. nuclear D. blended
Which of the following is an essential difference between the behavior theories of Watson and Skinner?