A child that is born with an XX pair of chromosomes is genetically considered to

a. have Turner's syndrome

Which of the following best demonstrates that the expression of some emotions is hard-wired (innate)?

A) The emotional state of infants is clear before they learn to speak. B) People can recognize the emotions of others within their social group by reading their facial expressions. C) Inducing people to smile makes them feel better. D) People who have been blind and deaf since birth smile when happy.

The part of a neuron that extends, tail-like, from the soma, and releases neurotransmitters into the synapse is the _____

a) dendrite. b) glial cell. c) axon. d) terminal bud.