Psychology: Roles of Genes

The genes uses a chemical alphabet to write instructions for the development of brain and body and the manufacturer or chemicals that affect mental health, learning, emotions, personality traits and everything we do.

What is gene?
  • Chains of chemicals arranged like rungs on a twisting ladder
  • There are about 20,000 to 25,000 genes that contain chemical instructions equal to about 300,000 pages of typed instructions (IHGSC, 2004)
  • The chemical instructions program the development of millions of individual parts into a complex body or brain.