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PSYC 289 UNIT 3 QUESTIONS AND CORRECT ANSWERS

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PSYC 289 UNIT 3 QUESTIONS AND CORRECT ANSWERS

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A gene that is expressed when paired genes are heterozygous (different).


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dominant gene




a process whereby the synaptic connections in the brain that are used are preserved,
and those that are not used are lost


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synaptic pruning

,the system of nerves that connect to voluntary skeletal muscles and to sensory
receptors


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somatic nervous system




A brain structure that relays information from the cerebellum to the rest of the brain


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pons




A neural center located in the limbic system that helps process explicit memories for
storage.


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hippocampus




An interdisciplinary field of study concerned with the genetic bases of individual
differences in behaviour and personality


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, Behavioural genetics




axons that carry information inward to the central nervous system from the periphery
of the body


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afferent nerve fibers




the "master gland" of the body's hormone-producing system, which releases
hormones that direct the functions of many other glands in the body


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pituitary gland




Branchlike parts of a neuron that are specialized to receive information.


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Dendrites




A change in the allele frequency of a population as a result of chance events rather
than natural selection.

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