Because most traits are polygenic, they are

the result of dominant genes.
constantly changing.
produced by many genes.
the result of recessive genes.

produced by many genes.

Psychology

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During which phase of the sexual response cycle do the physiological changes of sexual arousal gradually decline?

a) plateau b) orgasm c) excitement d) resolution

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__________ is a recently developed treatment for depression that is offered as an alternative to ECT

a) Unilateral electroconvulsive shock therapy b) Positron emission tomography c) Cingulectomy d) Rapid transcranial magnetic stimulation (rTMS)

Psychology