Chapter 4: Nature Vs Nurture

Behavior genetics

Study of genetics and the environmental influences on behavior

Heritability

Transmission of traits from parents

Genes

DNA segments that code for proteins

Monozygotic

Identical twins or Genetically Identical

Dizygotic

Fraternal Twins or shared about 50% of genes

Epigenetic’s

Environmental influences on gene expression

Culture

Shared ideas, attitudes, values, and traditions.

Sex

Biological differences

Gender

Socially influenced characteristics of Men and Women

Gender identity

One’s sense of being female, male, or in between

Chromosome

Threadlike structure made up of DNA molecules that contains genes

DNA

Complex molecule containing genetic informations that makes up the chromosomes

Genome

Complete set of all organisms DNA.

The entire collection of DNA

Temperament

A persons emotional reactivity and intensity

Molecular Genetics

Studies the molecular structure and function of genes

Molecular behavior genetics

Study of how the structure and function of genes w/ our environment to influence behavior.

Evolutionary Psychologists

Study of the evolution of behavior and the mind using principles of natural selection

Social script

A culturally modeled guide for how to act in certain situations

Relational aggression

An act of aggression(physical or verbal) intended to harm a persons relationship or social standing

XY chromosomes

Male

XX chromosome

Female

Spermarche

Men’s first ejaculation

Menarche

A women’s first menstrual period

Social learning theory

Theory that we learn social behaviors by observing and imitating or by being punished and rewarded.

Gender typing

The acquisition of a tradition masculine or feminine role

Gender dysphoria

Clinical levels of distress associated with someone’s gender identity