AP Psychology Chapter 3 outline

Topics: Genetics, Male, Gender Pages: 4 (1363 words) Published: January 4, 2015
Psychology Chapter 3 outline
Helen Sternberg
A. Genes: Our Biological Blueprint
a. Chromosomes- threadlike structures made of DNA molecules that contain the genes b. DNA- a complex molecule containing the genetic information that makes up the chromosomes. c. Genes- the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein d. Genome- the complete instructions for making and organism, consisting of all the genetic material in its chromosomes. B. Evolutionary Psychology: Maximizing Fitness

i. Domestication of animals points to nurture over nature
ii. Selective breeding to form a tame animal supports this idea iii. One can transform a “beast” into a “beauty”
b. Natural Selection
i. Natural Selection- the principle that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations ii. Mutation- a random error in gene replication that leads to a change in the sequence of nucleotides; source of genetic diversity iii. Evolutionary Psychology- the study of the evolution of behavior and the mind, using principles of natural selection. Natural selection has favored genes that designed both behavioral tendencies and information-processing systems that solved adaptive problems faced by our ancestors, thus contributing to the survival and spread of their genes iv. Only the strong survive in the real world

c. Sexuality
i. Gender- in psychology, the characteristics, whether biologically or socially influenced, by which people define male and female ii. Men are more likely to initiate sexual activity
iii. Women are more romantic, and men mistake this for sexual interest iv. An Evolutionary Explanation:
1. Males spread genes faster than women
2. Both men and women look for healthy mates
3. Nature selects behaviors that increase the likelihood of sending ones genes into the future v. Critiquing the Evolutionary...
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