Polygenic inheritance
a. reflects the influence of a single gene.
b. determines "either-or" traits, such as eye color.
c. cannot be studied because its influence is too broad.
d. influences behavioral and psychological traits such as intelligence.
d
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What is the leading cause of death in the United States, taking more than 100,000 additional lives compared to the second leading cause?
a. cancer b. stroke c. homicide d. heart disease
Dr. Mercadante is prescribing L-Dopa for one his patients. The patient is probably suffering from:
a. schizophrenia b. Parkinson's disease c. depression d. Tourette's syndrome
Research into the activity of the brain during taxing activities has revealed that the size of the __________ is linked to IQ more closely than the size of any other area in the brain
a. prefrontal cortex b. cerebrum c. cerebellum d. thalamus
Which is the most prevalent excitatory neurotransmitter in the brain?
A) NMDA B) GABA C) glycine D) epinephrine E) glutamate