If having more than five fingers occurs because of a dominant gene, what needs to happen for a person to have more than five fingers?
a. A person must have that dominant gene.
b. A person must have two recessive genes.
c. The gene must mutate.
d. Both dominant genes must be present.
Answer: A
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Two-month-old Sheldon is snuggled in his mother's arms. He is quietly looking around, and appears to be simply ‘absorbing' his environment. He is attentive to sounds around him, and is very calm. Sheldon's current state would be described as a. sleeping
b. crying. c. waking activity. d. alert inactivity.
The basic parts of a neuron are:
A) the cell body, the axon, and the synapse. B) the cell body, the dendrites, and the synapse. C) the cell body, the axon, and the dendrites. D) the synapse, the axon, and the dendrites.
The facial nuclei receive input from
A. primary motor cortex located in the precentral gyrus of the frontal lobe. B. primary motor cortex located in the precentral gyrus of the parietal lobe. C. the basal ganglia located in the pons and reticular activating system. D. the substantia nigra located in the central sulcus.
The extent to which the psychological aspects of a research setting are meaningful or feel real to participants is called ______.
A. internal validity B. mundane realism C. experimental realism D. external validity