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Alleles of several genes have been linked to antisocial behaviors such as criminal activity,alcoholism,and drug abuse.Imagine twins fathered by a man who spent most of his life in and out of jail for assault and battery,and struggled with drug addictions.One twin is raised in a home by parents who have similar antisocial behaviors and a long record of arrests.The other twin is raised by parents who have never been arrested and who actively participate in community outreach programs.Do you think both children are at the same risk of developing drug addictions at age 16? Why or why not?
Neurotransmitters
Chemical messengers that transmit signals across a synapse from one neuron to another.
Paracrines
Signaling molecules released by cells that affect other nearby cells.
Hormones
Chemical messengers produced by the endocrine glands that regulate various bodily functions and processes.
Oligodendrocytes
A type of glial cell in the central nervous system that produces and maintains the myelin sheath around neurons.
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