AP Psych: Unit 1 Flashcards

Nature and Nurture

The dispute over the relative contributions of heredity and constitutional factors (nature) and enviormental factors (nurture) to the development of an idividual.

Natural Selection

The principle that, among range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations

Evolutionary Psychology

The study of the evolution of behavior and the mind, using principles of natural selection 

Behavior Genetics

The study of familial or hereditary behavior patters and of the genetic mechanisms of behavior traits

Mutations

A random error in gene replication that leads to a change

Fraternal Twins

Twins who develop from seperate fertilized eggs; no genetically closer than brothers and sisters, but they share a fetal enviorment

Identical Twins

Twins who develop from a single fertilized egg that splits in two,creating two gentically identical organisms