Nature, Nurture, and Human Diversity Chapter 3

Behavior Genetics So how do we separate out gene and environmental effects?

Behavior Genetics Adoption Studies

Behavior Genetics Genes force a set of actions on the environment

Genetic Influence of the infant Genetic gives billions of neural connections in the brain

Parental Influence Parental Influences These interact with the genetic makeup of the child producing Experience with

Peer Influence Peers influence behavior starting at a young age

Genetics and Culture All groups of people develop culture Individual Culture Culture

Genetics and Culture Culture and Genes also collide when dealing with gender and sex

Gender Differences Women: Men Have 40% less muscle Are 5in taller Can smell fainter odors Less physically aggressive Men Are 5in taller More likely to succeed at suicide attempts

Gender Despite those differences, the male/female body are not that different Women have larger frontal cortexes, men have larger parietal lobes, differences most notably in the hypothalamus between heterosexual men and women/homosexual men

Gender Roles Gender roles develop naturally and come from society Roles prescribe who is played with, how its played with, what is played with, who does what work around the house

Gender and Development Development of two theories explaining gender socialization

Gender and Development Babies recognized difference between male/female and faces Once the child gains the ability to produce , this further separates the two genders

Gender Discrimination Different Genders