Chapter 4 Flashcards
(31 cards)
Behavior genetics
the study of the nature v nurture
environment
every non-genetic influence
chromosome
threadlike structures made of DNA molecules that contain genes
DNA
contains the genetic information that make up the chromosomes
genes
the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein
genome
the compolete instructions for making an organism
temperament
a person’s characteristic emotional reactivity and intensity
molecular genetics
the subfield of biology that studies the molecular structure and function of genes
heritability
amount or extenet that differences among people are attributed to genes
Interaction
the interplay that occurs when the effect of one factor depends on another factor
epigenetics
the study of influences on gene expression that occur without a DNA change
Evolutionary psychology
the study of the evolution of behavior and the mind
natural selection
traits that lead to increased reproduction and survival will most likely be passed on to succeeding generations
artifical selection
biologists like belyaev were able to artificially rear and domesticate foxes
mutation
a random error in gene replication that leads to a change
Mating preferences?
males look for youthfal appearing females to pass his genes to the future
females look for maturity, dominance, affluence, and boldness
Experience and how it affects brain development
enriched environment = greater brain development
rosenzqeigh rats experiment
peer influence
children, like adults, attempt to fit into a group by conforming. we want to be popular
culture
the enduring behaviors, attitudes, values, and raditions shared by a group of people transmitted from one generation to the next.
norm
understood rule accepted and expected behavior. Norms prescribe “proper” behavior.
individualism
giving priority to one’s own goals over group goals and defining one’s identity in terms of personal attributes rather than group identifications.
collectivism
giving priority to the goals of one’s group (often one’s extended family or work group) and defining one’s identity accordingly
differences between westernized cultures
western:
- responsible for yourself
- follow your conscience
- discover your gifts
- be true to yourself
- be independent
asian-african culture:
- responsible to group
- priority to obedience
- be true to family-self
- be loyal to your group
- be interdependent
similarities between everyone
same genetic profile, life cycle, capacity for language, and biological needs