Race, Monogamy, and Other Lies They Told You by Agustín Fuentes

Author:Agustín Fuentes
Language: eng
Format: epub
Publisher: University of California Press

My genes did not make me do it, but they helped

Genes don't cause aggression in humans but if they are involved in the production of molecules that interact with the body's systems that are part of the expression of aggression, we could consider that genes can at least play a part in aggression.

What exactly do genes do? We know from chapter 3 that genes are basically just stretches of DNA that contain the code for either the production of a protein molecule (or parts of a molecule) or the regulation of other genes or of themselves. Genes come in multiple forms (alleles). While genes contain codes for proteins and their regulation, the relationship between genes and complex molecules like neurotransmitters and hormones is very complicated. The possible relationships between genes and behavior are even more so (see chapter 3 on gene-trait relationships). Let's take a look at what we know about some of the better-studied molecules implicated in aggression and see if we can establish more clearly that aggression is not “in the genes” but rather that genes, neurotransmitters, and hormones play a part in affecting the ways in which aggression is expressed.

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