While the senses of sight and sound have begun to emerge by 20 weeks, a fetus born at this time cannot survive because
A) its brain cannot yet control breathing and body temperature.
B) the billions of neurons of its brain are not yet produced.
C) the cerebral cortex, the seat of human intelligence, is too large.
D) the neurons of its brain have not begun forming synapses.
A
Psychology
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A condition involving mental retardation caused by an extra chromosome in one's genetic makeup is known as
A) the Flynn effect. B) functional fixedness. C) Down syndrome. D) savant syndrome. E) Autism.
Psychology