Behavioral genetics is the study of how
A) specific phenotypes influence genotypes.
B) different behaviors lead to changes in the genetic code.
C) genes and environment influence behavior.
D) monozygotic twins are created.
Answer: C
Rationale: Behavioral geneticists study how genes and environment influence behavior. While they sometimes use twins in their research, behavioral genetics does not focus on the biology of twinning.
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Suppose a small number of geese are born with a genetic mutation that makes them spend more time caring for their eggs. As a result, more chicks hatch from these eggs that then survive to reproduce themselves
According to the principle of natural selection, which of the following would be the likely result? A) Other genetic mutations would start occurring at a faster rate. B) The genetically inherited behavior would become more common after many generations. C) The genetically inherited behavior would become less common after many generations. D) The rate of genetic mutations would slow drastically.
A key element in Case's information-processing theory of cognitive development is
a. language development. b. optimal level of skill performance. c. expansion of memory space. d. sociocultural influences. e. attachment.