After viewing this video please visit the site listed below and read through its content.
http://www.pbs.org/wgbh/nova/genome/debate.html
After your reading and viewing of the material weigh in on the nature vs. nurture debate. To what extent does biology and environment play a role in personality development? Can we completely ignore the role of biology? If the environment is the sole contributor to our personalities are there steps that can be taken to ensure proper personality development? If the environment is the cause of our personalities why are you not like those people that you grew up with?