This lesson will compare and contrast the long-debated nature versus nuture controversy as causes for behavior and personality
Source: Twin Zygotes; Creative Commons: http://en.wikipedia.org/wiki/File:Identical-fraternal-sperm-egg.svg
Innate or biological influences on behavior such as genetics.
Environment influences on behavior such as society and learning from experiences.
Because identical twins have the same DNA, comparing the behavior of identical twins with that of fraternal twins or siblings from the same parents allows psychologists to determine if certain behavior has a genetic predisposition.